Tag Archives: high bearing

China supplier High Quality Soilmec Sr60 Sr40 Sr625 Sr80 Use Slewing Bearing for Rotary Rig Machine

Product Description

Product Description

 

 

Product Name: Large Forged Casting Steel 42CrMo4, 20CrMnMo,17CrNiMo6, 20CrMnTi, 34CrNi1Mo, 25CrNiMoV slewing ring

Slewing rings, also known as turntable bearings or slewing bearings, are large-diameter bearings designed to support axial, radial, and moment loads while enabling rotational movement. These specialized bearings consist of an inner ring, an outer ring, rolling elements (such as balls or rollers), and sometimes gear teeth or other features to facilitate motion transmission.
 

Market Served Oilfield equipment parts, engine components, marine equipment parts, spare parts for mining machinery, coal mine drilling equipment, forklift parts, agricultural machinery components, railway and locomotive parts, excavator parts, hydraulic system components, shipbuilding components, pump spare parts,
Forging processing  ingot—forging—heat treatment—rough machining—UT.MT—Q+T—inspection—finishing machining—UT.MT—packing
Material: Forged Carbon steel: 42CrMo4,P289GH,S355G2
                                   ASTM A105, A105N /ASME SA105, SA105N
                                   ASTM A350 / SA350 LF2 (Class 1 & 2), LF3, LF6
                                   ASTM A694 F50, F60, F65
                                   ASTM A516 GR.55, 60, 65, 70
Forged Stainless & Alloy Steel & Duplex:
                                   ASTM A182 / SA182 F304/304L/304H,A316/316L/316H,F321,F310
                                   ASTM A182 / SA182 F11,F22,F51,F52,F53 F55,F904/904L,F40,F44
Inspection:   1. Raw material certificate(material chemical composition)
  2. Heat treatment sheet report
  3.Dimension inspection report     
  4.UT test report
Application: Oil and gas, Oilfield, Petrochemcial, Equipment
Max OD of Ring 5000mm
Delivery condition Hot forged +Rough machined (black surface after Q /T)+ Turned

 

Detailed Photos

   

 

 

Company Profile

Founded in 2009, HangZhou Bluesea Piping Systems Co., Ltd (BPS) is a premier supplier of forged products, renowned for our expertise in providing a comprehensive range of forgings. Our offerings include forged rings, shafts, cylinders, discs, as well as standard and non-standard flanges crafted from a variety of raw materials including carbon steel, stainless steel, duplex steel, and alloy steel. Our track record of successful partnerships with numerous Fortune Global 500 companies underscores our unwavering dedication to delivering excellence.
 

 

 

Our Advantages

1) Industry Leadership:
    As pioneers in Pipeline Products since 2009, we boast decades of expertise. we’ve provided pipeline solutions to over 30 countries. Our stringent quality control ensures guaranteed excellence.

2) VIP Service:
    Our dedicated technical engineers and sales teams ensure top-notch quality and service, catering to your specific needs with professionalism and care.

3) Flexibility in Material Selection:
    With expertise in forging different materials, we offer flexibility in material selection to meet the unique demands of different industries and applications.

4) Rapid Prototyping and Production:
    Leveraging advanced forging techniques, we excel in rapid prototyping and production, enabling quick turnaround times for orders.

Packaging & Shipping

 

 

FAQ

1.Q:Are you a factory or trading company?
    A: We are a factory.
2.Q:Do you accept customized orders?
    A:Yes,just tell us your requirements
3.Q:How does your factory do regarding quality control?
    A: “Quality is our culture” Inspection. We serious control the quality from raw material to finished pipes.
4.Q: How can I get more details about your products?
    A: You can send an email to our email address. We will provide catalogue and pictures of our products for your reference.
5. Q: After sales service.
    A: We guarantee the quality and quantity, any problem, we will be responsible for the end, guarantee your satisfaction.
  /* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Condition: New
Certification: CE, RoHS, GS, ISO9001
Standard: DIN, ASTM, GOST, GB, JIS, ANSI, BS
Samples:
US$ 10/Piece
1 Piece(Min.Order)

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Order Sample

Customization:
Available

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about shipping cost and estimated delivery time.
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Full Payment
Currency: US$
Return&refunds: You can apply for a refund up to 30 days after receipt of the products.

How does the choice of slewing rings affect the overall performance and reliability of rotating systems?

The choice of slewing rings has a significant impact on the overall performance and reliability of rotating systems. The selection of the appropriate slewing ring involves considering various factors such as load capacity, operating conditions, precision requirements, and application-specific needs. Here’s a detailed explanation of how the choice of slewing rings affects the overall performance and reliability of rotating systems:

  • Load Capacity: The load capacity of the slewing ring is a critical factor in determining the performance and reliability of the rotating system. Choosing a slewing ring with an adequate load capacity ensures that the system can handle the expected loads without excessive stress or deformation. If the selected slewing ring has insufficient load capacity for the application, it can lead to premature failure, increased wear, and compromised reliability.
  • Operating Conditions: The operating conditions, including factors such as temperature, humidity, dust, and exposure to corrosive substances, influence the choice of slewing rings. It is essential to select a slewing ring that is designed to withstand the specific environmental conditions of the application. Failure to consider the operating conditions can result in accelerated wear, corrosion, reduced performance, and decreased reliability of the rotating system.
  • Precision Requirements: Some applications require high precision and accuracy in the movement and positioning of the rotating system. The choice of slewing ring with appropriate precision is crucial to meet these requirements. Slewing rings designed for precision applications incorporate features such as high-precision raceways, gear teeth, or preloading mechanisms. Selecting a slewing ring with inadequate precision can lead to inaccuracies, positioning errors, and compromised performance of the rotating system.
  • Material Selection: The choice of materials for the slewing ring affects its durability, resistance to wear, and overall reliability. Different materials, such as carbon steel, stainless steel, or specialized alloys, have varying properties and performance characteristics. The selection of the appropriate material depends on factors such as load requirements, operating conditions, and the presence of corrosive or abrasive elements. Choosing the wrong material can result in premature wear, reduced lifespan, and compromised reliability of the rotating system.
  • Sealing and Lubrication: Slewing rings require proper sealing and lubrication to ensure smooth operation and prevent contamination or inadequate lubrication. The choice of slewing rings with effective sealing mechanisms and suitable lubrication requirements is crucial for maintaining performance and reliability. Inadequate sealing or improper lubrication can lead to increased friction, accelerated wear, and decreased reliability of the rotating system.
  • Manufacturer and Quality: The choice of a reputable manufacturer and high-quality slewing rings is essential for ensuring reliability and performance. Reliable manufacturers adhere to stringent quality control processes, use advanced manufacturing techniques, and provide comprehensive technical support. Choosing slewing rings from trusted manufacturers reduces the risk of premature failures, ensures consistent performance, and enhances the overall reliability of the rotating system.

In summary, the choice of slewing rings has a significant impact on the overall performance and reliability of rotating systems. Considering factors such as load capacity, operating conditions, precision requirements, material selection, sealing and lubrication, and the reputation of the manufacturer helps in selecting the appropriate slewing rings. By making the right choice, the rotating system can operate efficiently, withstand expected loads, maintain precision, and provide reliable performance throughout its lifespan.

How do slewing rings contribute to precise and controlled motion in machinery?

Slewing rings play a crucial role in enabling precise and controlled motion in machinery. Their design and functionality contribute to achieving accurate positioning, smooth rotation, and controlled movement. Here’s a detailed explanation of how slewing rings contribute to precise and controlled motion:

  • Precision Engineering: Slewing rings are meticulously engineered to provide high precision in motion control. The manufacturing processes involve tight tolerances and precise machining to ensure accurate dimensions and alignment of the rolling elements and raceways. This precision engineering minimizes any deviations or errors in motion, allowing for precise positioning and controlled movement.
  • Low Friction and Smooth Rotation: Slewing rings are designed to minimize friction and enable smooth rotation. The rolling elements, whether balls or rollers, are precisely positioned and guided within the raceways of the slewing ring. This design ensures that the rolling elements make contact with the raceways at specific angles, reducing friction during rotation. The low-friction characteristics allow for smooth and controlled motion, enabling precise positioning without undue resistance or jerky movements.
  • Integrated Gear Mechanism: Many slewing rings are equipped with an integrated gear mechanism. The gear teeth on the inner or outer ring of the slewing ring engage with external gears or pinions, providing a means to transmit torque and control rotational motion. The gear mechanism allows for precise and controlled movement, enabling operators or automated systems to achieve accurate positioning and controlled rotation at desired speeds.
  • Backlash Control: Backlash refers to the slight play or clearance between mating gears or components. Slewing rings are designed to minimize backlash, particularly in applications that require precise motion control. By reducing or eliminating backlash, slewing rings ensure that there is minimal lost motion or error when initiating rotational movement or changing direction. This feature contributes to improved accuracy and controlled motion.
  • Stiffness and Rigidity: Slewing rings are designed to provide high stiffness and rigidity, minimizing deflection or deformation during operation. This characteristic is especially important in applications where precise and controlled motion is required. The high stiffness of slewing rings ensures that the applied forces and torques are efficiently transmitted, allowing for accurate positioning and controlled motion without significant distortion or flexing.
  • Positioning Sensors and Feedback Systems: In conjunction with slewing rings, machinery often incorporates positioning sensors and feedback systems. These sensors and systems provide real-time data on the position, speed, and rotation of the slewing ring. By continuously monitoring and adjusting the motion based on the feedback, precise and controlled movement can be achieved, enabling accurate positioning and motion control.

Overall, slewing rings contribute to precise and controlled motion in machinery through their precision engineering, low friction, integrated gear mechanisms, backlash control, stiffness, and compatibility with positioning sensors and feedback systems. These features ensure accurate positioning, smooth rotation, and controlled movement, making slewing rings essential components for applications that require precise motion control in various industries such as construction, material handling, robotics, and manufacturing.

How do slewing rings contribute to the adaptability and versatility of rotating systems in various settings?

Slewing rings play a crucial role in enhancing the adaptability and versatility of rotating systems across various settings. Here’s a detailed explanation of how slewing rings contribute to the adaptability and versatility of rotating systems:

  • 360-Degree Rotation: Slewing rings enable 360-degree continuous rotation, allowing rotating systems to operate in any direction. This flexibility is especially valuable in applications such as cranes, excavators, and wind turbines, where unrestricted rotation is necessary to perform tasks efficiently and access multiple work zones without repositioning the entire system.
  • Load-Bearing Capacity: Slewing rings are designed to handle significant radial, axial, and moment loads. Their robust construction and large diameter enable them to support heavy equipment and loads, making them suitable for a wide range of applications, including construction machinery, material handling systems, and offshore platforms. The high load-bearing capacity of slewing rings contributes to the adaptability of rotating systems in demanding settings.
  • Compact Design: Slewing rings have a compact and space-saving design compared to alternative mechanisms for rotational movement. This compactness allows for the integration of slewing rings into systems where space is limited, such as compact construction machinery, industrial robots, and medical equipment. The compact design of slewing rings enhances the adaptability of rotating systems in confined or restricted environments.
  • Versatile Mounting Options: Slewing rings offer versatile mounting options, allowing them to be easily integrated into different types of rotating systems. They can be mounted using various methods, including bolted connections, gear or pinion arrangements, or hydraulic or electric drives. This versatility in mounting options enables slewing rings to adapt to the specific requirements and constraints of different applications and settings.
  • Support for Multiple Components: Slewing rings provide support for various components that are essential for rotating systems. For example, they can support booms, arms, or jibs in construction machinery, or act as a base for rotating platforms or turntables in manufacturing or entertainment industries. By providing a stable and reliable foundation, slewing rings enable the integration of multiple components, enhancing the versatility and adaptability of the overall system.
  • Customization and Specialized Designs: Slewing rings can be customized and designed to meet specific application requirements. Manufacturers can tailor slewing rings to accommodate specific load capacities, dimensions, mounting arrangements, sealing systems, or environmental conditions. This customization allows for the adaptation of slewing rings to diverse settings, ensuring optimal performance and functionality.
  • Integration with Control Systems: Slewing rings can be integrated with electronic or computer-controlled components, such as sensors, actuators, and control systems. This integration enables precise control, automation, and synchronization of rotating systems. By incorporating advanced control features, slewing rings can adapt to dynamic operating conditions, optimize performance, and support advanced functionalities, such as coordinated motion, precision positioning, or remote monitoring.

In summary, slewing rings contribute to the adaptability and versatility of rotating systems by enabling 360-degree rotation, providing high load-bearing capacity, offering a compact design, supporting versatile mounting options, accommodating multiple components, allowing customization, and facilitating integration with control systems. These characteristics make slewing rings suitable for a wide range of applications and settings, enhancing the versatility and adaptability of rotating systems in industries such as construction, manufacturing, transportation, renewable energy, and many others.

China supplier High Quality Soilmec Sr60 Sr40 Sr625 Sr80 Use Slewing Bearing for Rotary Rig Machine  China supplier High Quality Soilmec Sr60 Sr40 Sr625 Sr80 Use Slewing Bearing for Rotary Rig Machine
editor by Dream 2024-05-16

China high quality Excavator Slewing Ring Bearing Replacement K904c

Product Description

1. Company introduction 

HangZhou King Slewing Bearing Technology Co.,Ltd.is a professional manufacturer and exporter of excavator slewing rings, its factory is located in HangZhou city, ZheJiang Province,very close to ZheJiang Port, goods can be easily transported all over the world.

Our main product is excavator slewing rings, we can now produce more than 1000 part numbers to match with many famous excavator brands, such as CATERPILLAR, KOMATSU, HITACHI, KOBELCO, HYUNDAI, VOLVO, DOOSAN, LIEBHERR, DAEWOO, JCB,CASE, SUMITOMO, KATO,etc. 

Our engineers have more than 20 years rich experience in studying excavator slewing rings and we have professional measuring team can go to customers ‘ workplace  to measure the old or broken slewing rings, then to produce the same replacements. We have our own factory with latest CNC machines , such as vertical lathes, gear hobbing machines, gear shaping machines, hole drilling mahines, quenching machines, vertical grinding machines, turning machines,etc. to meet customers’ quick delivery requirements. 

We will adhere to the “quality first, credibility first” business philosophy and continually provide our clients with superior quality products and services. We warmly welcome customers from all over the world to visit us and together to build a better future !

2. Our slewing rings can match with more than 1000 excavator models. 

3. Our excavator part numbers as below:

Kobelco Slewing Ring Replacement 
Excavator model number Part number Excavator model number Part number
SK60-3   2425U232F1 SK210LC-6  Yn40F00004f1 
SK75-8   YT40F00004F1 SK210LC-8     YN40F00026F1
SK75 UR-3  2425U261F1 SK220LC  III/IV   24100N7441F1
SK130LC IV  LP40FU0001F1 SK230-6   LQ40F00004F1
SK135SR  YW40F00001F1 SK235      YN40F57104P1
SK-140  YY40F00009F1 SK250-6E  LQ40F00005F1
SK140SR  YY40F00009F1 SK250-8   LQ40F00014F1
SK200  24100N7440F1 SK250LC-6E  LQ40F00004f1
K907LC-2   24100N3978F SK250NLC-6  24100N7441F1
SK907-2   24100N3978F2 SK260-8     LQ40F000014F1
SK200  YN40FU0001F1 SK260LC-8   LQ40F00014F
SK200-3   24100N440F1 SK300-III   2425U262F1
SK200-6   YN40F00008F1 SK330   LC40F00019F1
SK200-6   YN40F0571FI SK330-6E   LC40F00009F1
SK200-6 super   YN40F00004F2 SK330LC V1    LC40FU0001F1
SK200-8 YN40F00026F1 SK330LC-6E    LC40F00009F1
SK200-8   YN40F00026F2 SK330-6E  LC40F00012F
SK200-10   Yn40F00042f2 SK350    LC40F00018F1
SK-210  YN40F00033F2 SK350ME  FG4E9648E-J6
SK210LC    YN40F00019F2 SK480LC-6  LS40F00003F1

4. Our excavator slewing ring pictures

5. Our slewing bearing packaging pictures 

6. Transportation way: By sea/ air/ rail/ road/ TNT/DHL/UPS/Fedex,ect. 

7. Contact information
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Standard or Nonstandard: Standard
Feature: Short Delivery Time
Sealing Gland: We Use Seal Rings
Rolling-Element Number: Single Row, Three Row for Huge Slewing Bearing
Roller Type: Four Point Contact
Material: Alloy Steel
Samples:
US$ 850/Set
1 Set(Min.Order)

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Customization:
Available

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Can you provide examples of products or machinery that commonly use slewing rings?

Slewing rings are widely used in various industries and play a vital role in the functioning of numerous products and machinery. They offer rotational support, precise motion control, and load-bearing capabilities. Here are some examples of products or machinery that commonly utilize slewing rings:

  • Construction Machinery: Slewing rings are extensively used in construction machinery such as excavators, cranes, concrete pumps, and tower cranes. They enable the rotation and movement of the boom, arm, and bucket, allowing for precise control during digging, lifting, and material placement operations.
  • Material Handling Equipment: Slewing rings are essential components in material handling equipment like forklifts, stackers, and reach stackers. They facilitate the rotation and swiveling of the mast or boom, enabling efficient loading, unloading, and stacking of goods in warehouses, logistics centers, and ports.
  • Wind Turbines: Slewing rings are crucial in wind turbines, where they support the yaw and pitch mechanisms. The yaw system allows the turbine to rotate and face the wind direction, while the pitch system adjusts the angle of the blades for optimal wind capture. Slewing rings enable precise and controlled movement, ensuring efficient wind energy conversion.
  • Cranes: Various types of cranes, including mobile cranes, crawler cranes, and tower cranes, rely on slewing rings for their rotation and lifting capabilities. Slewing rings support the crane’s superstructure, allowing it to rotate horizontally, and provide stability and load-bearing capacity during lifting operations.
  • Rotary Drilling Rigs: Slewing rings are commonly used in rotary drilling rigs for oil and gas exploration, foundation construction, and mining operations. They enable the rotation and positioning of the drill mast, allowing for precise drilling and borehole creation.
  • Railway Equipment: Slewing rings find application in railway equipment such as rail cranes, railway maintenance machines, and turntables. They facilitate the rotation and movement of equipment, ensuring efficient maintenance, repairs, and track positioning.
  • Robotics: Slewing rings are integral to robotic systems, including industrial robots, robotic arms, and robotic welding systems. They enable the rotational movement and articulation of the robot’s joints, allowing for precise and controlled manipulation in manufacturing, assembly, and automation processes.
  • Solar Tracking Systems: Slewing rings are employed in solar tracking systems to orient solar panels toward the sun. They enable the rotation and tilting of the panels, maximizing solar energy absorption and optimizing power generation in solar farms and photovoltaic systems.
  • Turntables and Rotating Platforms: Slewing rings are used in turntables and rotating platforms found in various applications. They support the rotational movement of entertainment stages, amusement park rides, revolving restaurants, and display platforms in trade shows or exhibitions.

These are just a few examples of the diverse range of products and machinery that commonly utilize slewing rings. Their ability to provide rotational support, precise motion control, and load-bearing capabilities makes them indispensable components in numerous industries, including construction, material handling, energy, transportation, robotics, and entertainment.

Can you explain the primary functions and roles of slewing rings in various applications?

Slewing rings play crucial functions and serve different roles in various applications across industries. These specialized bearings enable controlled rotational movement and support heavy loads. Here’s a detailed explanation of the primary functions and roles of slewing rings in different applications:

  • Construction and Cranes: In construction machinery and cranes, slewing rings are used to support the boom or jib, enabling 360-degree rotation. They provide a stable and low-friction interface that allows for efficient material handling and precise positioning of heavy loads. Slewing rings in these applications must withstand high axial, radial, and moment loads.
  • Wind Turbines: Slewing rings play a critical role in wind turbine systems. They support the rotor and allow it to rotate according to wind direction, facilitating efficient power generation. Slewing rings in wind turbines must handle significant loads while ensuring smooth rotation and precise alignment between the rotor and the nacelle.
  • Industrial Equipment: Slewing rings find applications in various industrial equipment, including indexing tables, turntables, robotic arms, and packaging machinery. In these applications, slewing rings enable controlled and precise rotation, allowing for accurate positioning, indexing, and automation. They contribute to the overall efficiency and functionality of industrial machinery.
  • Transportation and Automotive: Slewing rings are utilized in transportation and automotive applications, such as vehicle cranes, aerial platforms, and rotating platforms for heavy-duty vehicles. They provide a stable and reliable connection that enables safe and controlled rotation. In these applications, slewing rings must withstand dynamic loads and harsh operating conditions while ensuring the safety and stability of the equipment.
  • Medical and Rehabilitation Equipment: Slewing rings are important components in medical and rehabilitation equipment, including patient lifts and adjustable beds. They enable smooth and controlled movement, allowing for easy and safe patient transfers and positioning. Slewing rings in these applications must provide precise and quiet operation, ensuring patient comfort and care.
  • Aerospace and Defense: Slewing rings are utilized in aerospace and defense applications, such as radar systems, missile launchers, and satellite antennas. They enable precise and controlled movement in critical systems, contributing to accurate tracking, targeting, and communication. Slewing rings in aerospace and defense applications must meet stringent requirements for reliability, precision, and durability.
  • Marine and Offshore: Slewing rings are employed in marine and offshore equipment, including cranes, davits, and rotating platforms on ships and offshore rigs. They enable heavy lifting and controlled rotation in challenging marine environments. Slewing rings in marine applications must be corrosion-resistant and capable of withstanding harsh weather conditions and high loads.

Overall, slewing rings serve as essential components in a wide range of applications, enabling controlled rotation, supporting heavy loads, and ensuring precise positioning. Their versatility and ability to withstand varying loads and operating conditions make them invaluable in industries such as construction, wind energy, industrial automation, transportation, healthcare, aerospace, and marine sectors.

How do electronic or computer-controlled components integrate with slewing rings in modern applications?

In modern applications, electronic or computer-controlled components are often integrated with slewing rings to enhance functionality, precision, and automation. This integration allows for advanced control, monitoring, and optimization of rotating systems. Here’s a detailed explanation of how electronic or computer-controlled components integrate with slewing rings in modern applications:

  • Sensor Integration: Electronic sensors can be integrated with slewing rings to provide real-time feedback and data on various parameters. For example, position sensors can be used to accurately track the position and angle of the slewing ring, enabling precise control and positioning of the rotating components. Load sensors can measure the load applied to the slewing ring, allowing for dynamic load monitoring and optimization.
  • Control Systems: Computer-controlled components, such as programmable logic controllers (PLCs) or microcontrollers, can be used to manage the operation of slewing rings. These control systems can receive input from sensors and execute algorithms to control the speed, direction, and positioning of the slewing ring. By integrating electronic control systems, precise and automated control of the slewing ring can be achieved, improving efficiency and reducing human error.
  • Automation and Synchronization: In modern applications, slewing rings are often integrated into automated systems where they work in synchronization with other components. Electronic or computer-controlled components can facilitate this synchronization by coordinating the movements of multiple slewing rings or integrating them with other automated processes. This integration enables seamless and optimized operation of the rotating system as a whole.
  • Data Monitoring and Analysis: Electronic components can be used to collect and analyze data from slewing rings. This data can include parameters such as position, speed, temperature, and load. By monitoring and analyzing this data, it is possible to identify patterns, detect anomalies, and optimize the performance of the slewing rings. This information can be used for predictive maintenance, energy optimization, and performance improvement.
  • Communication and Networking: Electronic components enable communication and networking capabilities for slewing rings. They can be connected to a network or interface with other control systems, allowing for remote monitoring, control, and integration into larger systems. This enables centralized monitoring and control of multiple rotating systems, facilitating efficient operation and maintenance.
  • Feedback and Safety Systems: Electronic components can provide feedback and safety features in slewing ring applications. For example, limit switches or proximity sensors can detect the end positions of the slewing ring’s rotation and trigger safety mechanisms or control actions accordingly. This ensures safe operation, prevents over-rotation, and protects the equipment and personnel.

By integrating electronic or computer-controlled components with slewing rings, modern applications can achieve enhanced control, precision, automation, and data-driven optimization. This integration allows for efficient operation, improved safety, accurate positioning, synchronization with other systems, and the ability to adapt to changing operational requirements. It paves the way for advanced technologies such as robotics, Internet of Things (IoT), and Industry 4.0, where slewing rings play a vital role in the seamless integration of mechanical and electronic systems.

China high quality Excavator Slewing Ring Bearing Replacement K904c  China high quality Excavator Slewing Ring Bearing Replacement K904c
editor by Dream 2024-05-16

China factory Dh225-7/9 High Precision Slewing Bearing

Product Description

1. Product Description
 

Material 42CrMo or 50Mn
Delivery Time 15 Days
Transport By sea, by air, by railway, by express
Warranty Period 18 Months
Package Wooden Box
Payment T/T , Western Union, Paypal

2. Product show

3. Company profile

HangZhou King Slewing Bearing Technology Co., Ltd. is a specialized manufacturer and exporter for excavator and crane slewing bearings. The company occupies the workshop area of 6,000m2, offering a variety of models which can meet your various demands. We own a specialized team in R&D and manufacturing the slewing bearing for many years. We can make more than 1000 models of slewing bearings to match famous excavator and crane brands, such as CATERPILLAR, , HITACHI, KOBELCO, HYUNDAI, VOLVO, DOOSAN, LIEBHERR, DAEWOO, JCB,CASE, SUMITOMO, KATO, etc.

We have strong production facilities and complete process for making slewing bearings, such as  CNC machines , vertical lathes, gear hobbing machines, gear shaping machines, hole drilling machines, quenching equipment, vertical grinding machines, turning machines, etc. We adhere to ISO9000 quality system management standards and strictly execute the mechanical standard of the domestic and international standards of the products.
Our products are supplied for the following brands:

4. Our slewing rings can match with more than 1000 excavator models. 

5. Excavator part numbers as below:
 

Doosan Slewing Ring Replacement 
Excavator model number Part number Excavator model number Part number
S140LC-V  109-00165  255lc-v  145719-00043
SOLAR55-VPLUS 109-00149 300-v   109-00157
DH220LC  145719-00048A DX300LCA   145719-0571
DX225 109-00162 Dx300LCA   145719-0571A 
DX225LC   109-00162A S340  145719-00038
DX225LC  109-00162 S340LC-V 145719-00038
DX225LCA 109-00162A S340LC-V  2109-1059A                  (New Part Number)
DX225LCA 145719-00048 S400LC-3 2109-9047A
S225NLC-V 145719-00045 DOOSAN 420  145719-00039
SL220LC-V  109-00052 S420LC-V  109-00161
225NLC-V 109-00052B DX420LC  K15719
225NLC-V 145719-00045 DX420LC    109-00046
255LC-V 109-00030B DX420LC   145719-00007A
255LC-V   180-5717D3 470 109-00159
255lc-v  145719-00042 SOLAR 500LC-V   145719-00040

 

 6. Our machine tools

7. Packaging by wooden box

8. Transportation way: By sea/ air/ rail/ road/ TNT/DHL/UPS/Fedex,ect. 

8. Contact information

Company: HangZhou King Slewing Bearing Technology Co.,Ltd
Address: CHINAMFG Xinzhan CHINAMFG Science and Technology Park, Xinzhan District, HangZhou, ZheJiang Province
Contact person: Ms. Amy Sun
  /* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Standard or Nonstandard: Standard
Feature: Short Delivery Time
Sealing Gland: We Use Seal Rings
Rolling-Element Number: Single Row, Three Row for Huge Slewing Bearing
Roller Type: Four Point Contact
Material: Alloy Steel
Samples:
US$ 1000/Set
1 Set(Min.Order)

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Customization:
Available

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What maintenance practices are recommended for slewing rings to ensure optimal functionality?

Proper maintenance is essential to ensure the optimal functionality and longevity of slewing rings. Regular maintenance practices help prevent premature wear, minimize downtime, and ensure reliable performance. Here are some recommended maintenance practices for slewing rings:

  • Cleaning: Regularly clean the slewing rings to remove dirt, debris, and contaminants that can cause abrasion and affect the smooth operation of the rolling elements. Use appropriate cleaning agents and methods as recommended by the manufacturer.
  • Lubrication: Adequate lubrication is crucial for the smooth operation and reduced friction of slewing rings. Follow the manufacturer’s recommendations for the type of lubricant, the frequency of lubrication, and the quantity to be applied. Regularly inspect the lubrication system and replenish or replace the lubricant as needed.
  • Inspection: Periodically inspect the slewing rings for any signs of damage, wear, or misalignment. Check for abnormal noise, vibration, or irregularities in motion. Inspect the gear teeth, raceways, seals, and mounting interfaces. If any issues are identified, take appropriate action, such as repair or replacement, to prevent further damage.
  • Torque Checks: Regularly check the torque of the fasteners and bolts that secure the slewing rings. Ensure that they are tightened to the specified torque values. Loose fasteners can cause misalignment and compromise the performance and safety of the slewing rings.
  • Seal Inspection: Inspect the seals of the slewing rings to ensure they are intact and properly functioning. Damaged or worn seals can lead to contamination and loss of lubrication, resulting in increased friction and potential damage to the slewing rings. Replace any damaged seals promptly.
  • Alignment and Mounting: Proper alignment and mounting of slewing rings are critical for their optimal functionality. Ensure that the slewing rings are correctly aligned and securely mounted according to the manufacturer’s specifications. Misalignment or improper mounting can lead to increased stress, premature wear, and reduced performance.
  • Environmental Protection: Take measures to protect the slewing rings from harsh environmental conditions. Shield them from excessive moisture, dust, chemicals, and extreme temperatures whenever possible. Implement appropriate sealing systems and consider the use of protective covers or enclosures, especially in outdoor or exposed applications.
  • Training and Documentation: Provide appropriate training to personnel responsible for the maintenance of slewing rings. Ensure they are aware of the recommended maintenance practices and follow proper procedures. Keep comprehensive documentation of maintenance activities, including lubrication schedules, inspections, repairs, and replacements.

It is important to note that maintenance practices may vary depending on the specific application, environmental conditions, and manufacturer’s recommendations. Always refer to the manufacturer’s guidelines and consult with experts or maintenance professionals when necessary to ensure the most effective maintenance practices for your slewing rings.

How do slewing rings contribute to the adaptability and versatility of rotating systems in various settings?

Slewing rings play a crucial role in enhancing the adaptability and versatility of rotating systems across various settings. Here’s a detailed explanation of how slewing rings contribute to the adaptability and versatility of rotating systems:

  • 360-Degree Rotation: Slewing rings enable 360-degree continuous rotation, allowing rotating systems to operate in any direction. This flexibility is especially valuable in applications such as cranes, excavators, and wind turbines, where unrestricted rotation is necessary to perform tasks efficiently and access multiple work zones without repositioning the entire system.
  • Load-Bearing Capacity: Slewing rings are designed to handle significant radial, axial, and moment loads. Their robust construction and large diameter enable them to support heavy equipment and loads, making them suitable for a wide range of applications, including construction machinery, material handling systems, and offshore platforms. The high load-bearing capacity of slewing rings contributes to the adaptability of rotating systems in demanding settings.
  • Compact Design: Slewing rings have a compact and space-saving design compared to alternative mechanisms for rotational movement. This compactness allows for the integration of slewing rings into systems where space is limited, such as compact construction machinery, industrial robots, and medical equipment. The compact design of slewing rings enhances the adaptability of rotating systems in confined or restricted environments.
  • Versatile Mounting Options: Slewing rings offer versatile mounting options, allowing them to be easily integrated into different types of rotating systems. They can be mounted using various methods, including bolted connections, gear or pinion arrangements, or hydraulic or electric drives. This versatility in mounting options enables slewing rings to adapt to the specific requirements and constraints of different applications and settings.
  • Support for Multiple Components: Slewing rings provide support for various components that are essential for rotating systems. For example, they can support booms, arms, or jibs in construction machinery, or act as a base for rotating platforms or turntables in manufacturing or entertainment industries. By providing a stable and reliable foundation, slewing rings enable the integration of multiple components, enhancing the versatility and adaptability of the overall system.
  • Customization and Specialized Designs: Slewing rings can be customized and designed to meet specific application requirements. Manufacturers can tailor slewing rings to accommodate specific load capacities, dimensions, mounting arrangements, sealing systems, or environmental conditions. This customization allows for the adaptation of slewing rings to diverse settings, ensuring optimal performance and functionality.
  • Integration with Control Systems: Slewing rings can be integrated with electronic or computer-controlled components, such as sensors, actuators, and control systems. This integration enables precise control, automation, and synchronization of rotating systems. By incorporating advanced control features, slewing rings can adapt to dynamic operating conditions, optimize performance, and support advanced functionalities, such as coordinated motion, precision positioning, or remote monitoring.

In summary, slewing rings contribute to the adaptability and versatility of rotating systems by enabling 360-degree rotation, providing high load-bearing capacity, offering a compact design, supporting versatile mounting options, accommodating multiple components, allowing customization, and facilitating integration with control systems. These characteristics make slewing rings suitable for a wide range of applications and settings, enhancing the versatility and adaptability of rotating systems in industries such as construction, manufacturing, transportation, renewable energy, and many others.

Can you describe the factors to consider when selecting slewing rings for specific applications?

When selecting slewing rings for specific applications, several factors need to be considered to ensure optimal performance and reliability. Here’s a detailed description of the factors to consider:

  • Load Requirements: The load capacity of the slewing ring should match the anticipated loads in the application. Consider both the maximum static load (weight of the structure or equipment) and dynamic load (forces during operation). It is crucial to analyze the load distribution, including axial, radial, and moment loads, and select a slewing ring with sufficient load-carrying capacity to handle these loads.
  • Space Limitations: Evaluate the available space for the installation of the slewing ring. Consider the diameter, height, and width of the slewing ring to ensure it fits within the space constraints of the application. It is essential to consider both the external dimensions of the slewing ring and the required clearance for rotation.
  • Rotational Speed: Determine the required rotational speed of the slewing ring. Consider the application’s operating speed and any specific speed limitations. The slewing ring should be selected to accommodate the rotational speed requirements while maintaining smooth and efficient operation.
  • Environmental Conditions: Evaluate the operating environment of the application. Factors such as temperature, humidity, dust, water exposure, chemicals, and corrosive elements should be considered. Choose a slewing ring with appropriate sealing systems, corrosion-resistant materials, and lubrication options to withstand the specific environmental conditions.
  • Accuracy and Positioning: Some applications require precise positioning and rotational accuracy. Determine the required level of accuracy and select a slewing ring that provides the necessary precision. Factors such as gear mechanism, backlash control, and manufacturing tolerances contribute to the accuracy of the slewing ring.
  • Operating Conditions: Consider the overall operating conditions of the application, including factors such as shock and vibration levels, duty cycle, continuous or intermittent operation, and expected service life. The slewing ring should be designed to withstand the anticipated operating conditions and provide reliable performance over the desired lifespan.
  • Integration and Compatibility: Assess the integration requirements of the slewing ring with the rest of the system or equipment. Consider factors such as mounting interfaces, connection points, gear compatibility, and the need for additional components such as drive systems or bearings. Ensure that the selected slewing ring is compatible with the existing or planned system components.
  • Industry Standards and Regulations: Depending on the application, specific industry standards and regulations may apply. Consider any applicable standards, such as ISO specifications or industry-specific guidelines, to ensure compliance and safety in the selection of the slewing ring.

By carefully analyzing these factors and selecting a slewing ring that meets the specific requirements of the application, one can ensure optimal performance, longevity, and reliability of the slewing ring in its intended use.

China factory Dh225-7/9 High Precision Slewing Bearing  China factory Dh225-7/9 High Precision Slewing Bearing
editor by Dream 2024-05-15

China Good quality High Performance China Pallet Swing Roller Slewing Angular Contact Ball Bearing Ring

Product Description

Company has established the standard strict quality management system, equipped with advanced 3 coordinate measuring machine, gantry laser measurement system geometry, material universal testing machine, impact testing machine, electronic load brinell hardness tester, rockwell hardness tester, micro hardness tester, shaw sclerometer, video measuring instrument, Swiss altimeter, Zeiss metallographic microscope, direct reading spectrometer, magnetic powder flaw detector, ultrasonic flaw detector, portable walk-in laboratory (high and low temperature test chamber, salt spray test chamber, electromagnetic vibration table, sealing performance tester, torque tester, granite platform, digital multi-function test bench, wind power (life) test rig, testing and analytical instruments such as all kinds of large-scale, high-precision test instruments and equipment, the rotary bearing raw materials can be the factory reinspection, semi-finished products, finished product shape tolerance of mechanical precision measurement, and complete the type testing of finished products, etc., from raw material chemical composition and mechanical properties to product processing precision and performance index of the whole process quality control.
   Through the process of plHangZhou, monitoring, data statistics, QC and staff training and so on effective work, implement the product quality, work quality and continuous improvement and improve service quality, meet the wind power generation, medical equipment and  products industries such as high precision, high reliable product performance requirements.

/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

After-sales Service: 24hours
Warranty: 2 Years
Material: Bearing Steel
Application: Engineering Machinery etc.
Raceway Type: Single
Detectability: CNAS
Samples:
US$ 100/Piece
1 Piece(Min.Order)

|

Can you explain the primary functions and roles of slewing rings in various applications?

Slewing rings play crucial functions and serve different roles in various applications across industries. These specialized bearings enable controlled rotational movement and support heavy loads. Here’s a detailed explanation of the primary functions and roles of slewing rings in different applications:

  • Construction and Cranes: In construction machinery and cranes, slewing rings are used to support the boom or jib, enabling 360-degree rotation. They provide a stable and low-friction interface that allows for efficient material handling and precise positioning of heavy loads. Slewing rings in these applications must withstand high axial, radial, and moment loads.
  • Wind Turbines: Slewing rings play a critical role in wind turbine systems. They support the rotor and allow it to rotate according to wind direction, facilitating efficient power generation. Slewing rings in wind turbines must handle significant loads while ensuring smooth rotation and precise alignment between the rotor and the nacelle.
  • Industrial Equipment: Slewing rings find applications in various industrial equipment, including indexing tables, turntables, robotic arms, and packaging machinery. In these applications, slewing rings enable controlled and precise rotation, allowing for accurate positioning, indexing, and automation. They contribute to the overall efficiency and functionality of industrial machinery.
  • Transportation and Automotive: Slewing rings are utilized in transportation and automotive applications, such as vehicle cranes, aerial platforms, and rotating platforms for heavy-duty vehicles. They provide a stable and reliable connection that enables safe and controlled rotation. In these applications, slewing rings must withstand dynamic loads and harsh operating conditions while ensuring the safety and stability of the equipment.
  • Medical and Rehabilitation Equipment: Slewing rings are important components in medical and rehabilitation equipment, including patient lifts and adjustable beds. They enable smooth and controlled movement, allowing for easy and safe patient transfers and positioning. Slewing rings in these applications must provide precise and quiet operation, ensuring patient comfort and care.
  • Aerospace and Defense: Slewing rings are utilized in aerospace and defense applications, such as radar systems, missile launchers, and satellite antennas. They enable precise and controlled movement in critical systems, contributing to accurate tracking, targeting, and communication. Slewing rings in aerospace and defense applications must meet stringent requirements for reliability, precision, and durability.
  • Marine and Offshore: Slewing rings are employed in marine and offshore equipment, including cranes, davits, and rotating platforms on ships and offshore rigs. They enable heavy lifting and controlled rotation in challenging marine environments. Slewing rings in marine applications must be corrosion-resistant and capable of withstanding harsh weather conditions and high loads.

Overall, slewing rings serve as essential components in a wide range of applications, enabling controlled rotation, supporting heavy loads, and ensuring precise positioning. Their versatility and ability to withstand varying loads and operating conditions make them invaluable in industries such as construction, wind energy, industrial automation, transportation, healthcare, aerospace, and marine sectors.

Are there innovations or advancements in slewing ring technology that have emerged recently?

Yes, there have been several innovations and advancements in slewing ring technology that have emerged recently. These advancements aim to improve the performance, efficiency, durability, and versatility of slewing rings in various applications. Here’s a detailed explanation of some recent innovations in slewing ring technology:

  • Lightweight Materials: Manufacturers are increasingly exploring the use of lightweight materials such as aluminum alloys or advanced composites in slewing ring construction. These materials offer high strength-to-weight ratios, reducing the overall weight of the slewing ring without compromising its load-bearing capacity. The adoption of lightweight materials contributes to energy savings, improved maneuverability, and reduced structural stress.
  • Enhanced Sealing and Protection: Slewing rings are being equipped with advanced sealing systems and protective coatings to enhance their resistance to environmental factors such as dust, moisture, and chemicals. These innovations help prevent contamination, reduce friction, and extend the lifespan of the slewing rings, especially in harsh operating conditions.
  • Integrated Bearings and Gear Technology: Some slewing rings now incorporate integrated bearing and gear technologies. This integration eliminates the need for separate bearings and gears, simplifying the design and reducing assembly time. It also improves load distribution and torque transmission, resulting in smoother operation, increased efficiency, and reduced maintenance requirements.
  • Improved Lubrication Systems: Lubrication systems for slewing rings have seen advancements to enhance lubricant distribution and retention. Centralized lubrication systems, automatic lubrication systems, or sealed-for-life designs are being implemented to ensure optimal lubrication and minimize maintenance intervals. These advancements contribute to lower friction, reduced wear, and improved efficiency.
  • Condition Monitoring and Predictive Maintenance: Slewing rings are being equipped with condition monitoring systems that utilize sensors and data analysis techniques. These systems monitor parameters such as temperature, vibration, and load to detect anomalies and predict potential failures. By enabling predictive maintenance, these advancements help optimize maintenance schedules, minimize downtime, and extend the operational life of slewing rings.
  • Smart and Connected Features: The integration of smart and connected features in slewing rings is becoming more prevalent. Slewing rings equipped with IoT capabilities can communicate data wirelessly, enabling remote monitoring, diagnostics, and control. This facilitates real-time performance analysis, allows for centralized management of multiple slewing rings, and supports the implementation of advanced automation and optimization strategies.
  • Improved Manufacturing Techniques: Advances in manufacturing technologies, such as precision machining, automated assembly, and advanced quality control methods, have contributed to the production of high-quality slewing rings. These techniques ensure tighter tolerances, improved surface finishes, and enhanced reliability. Additionally, computer-aided design (CAD) and simulation tools allow for better optimization of slewing ring designs, resulting in improved performance and efficiency.

These recent innovations and advancements in slewing ring technology have opened up new possibilities for various industries where slewing rings are utilized, including construction, mining, renewable energy, material handling, and aerospace. They offer improved performance, increased durability, enhanced functionality, and greater efficiency, enabling the optimization of rotating systems and supporting the development of advanced applications.

What safety considerations should be taken into account when using slewing rings in industrial settings?

When using slewing rings in industrial settings, several safety considerations should be taken into account to ensure the well-being of personnel, equipment, and the surrounding environment. Here’s a detailed explanation of the safety considerations when using slewing rings:

  • Proper Training and Familiarity: Personnel involved in the operation, maintenance, and servicing of systems equipped with slewing rings should receive proper training and be familiar with the specific procedures and safety guidelines related to slewing ring usage. This includes understanding the system’s limitations, recommended operating parameters, and emergency procedures.
  • Safe Working Distance: Establishing a safe working distance is crucial when working with rotating systems that incorporate slewing rings. Adequate barriers, guardrails, or safety signs should be in place to prevent unintended access to hazardous areas around the slewing ring. Personnel should be aware of the safe working zones and maintain a safe distance from the rotating components.
  • Lockout/Tagout Procedures: Before performing any maintenance or repair tasks on systems with slewing rings, proper lockout/tagout procedures should be followed to ensure the equipment is de-energized and cannot be accidentally started. This prevents unexpected rotation of the slewing ring during maintenance activities, reducing the risk of entanglement or injury.
  • Personal Protective Equipment (PPE): Personnel working with or around slewing rings should wear appropriate personal protective equipment, such as safety helmets, protective eyewear, gloves, and safety footwear. The specific PPE requirements may vary depending on the nature of the industrial setting and potential hazards associated with slewing ring operation.
  • Regular Inspection and Maintenance: Routine inspection and maintenance of slewing rings are essential for identifying any signs of wear, damage, or misalignment. Regularly scheduled inspections help detect potential issues early on and allow for timely repairs or replacements, reducing the risk of sudden failures or accidents during operation.
  • Proper Lubrication: Adequate lubrication of slewing rings is crucial for their optimal performance and longevity. Lubrication intervals and methods recommended by the manufacturer should be followed to ensure proper lubrication. Improper or inadequate lubrication can lead to increased friction, overheating, accelerated wear, and potential failure of the slewing ring.
  • Environmental Considerations: The environmental conditions in which slewing rings operate should be taken into account for safety purposes. Factors such as temperature extremes, moisture, dust, or corrosive substances can affect the performance and durability of slewing rings. Proper sealing, protective coatings, and environmental controls should be implemented to mitigate potential hazards and ensure safe operation.
  • Emergency Stop and Shutdown: Rotating systems equipped with slewing rings should be equipped with emergency stop buttons or other means of immediate shutdown. Personnel should be trained on how to use these emergency stop features effectively and be aware of the emergency shutdown procedure to quickly and safely halt the rotation of the slewing ring in case of an emergency.
  • Compliance with Regulations and Standards: It is essential to comply with relevant safety regulations, standards, and industry guidelines when using slewing rings in industrial settings. These regulations may vary depending on the region and industry-specific requirements. Adhering to these guidelines helps ensure the safety and compliance of the equipment and protects against potential hazards.

In summary, safety considerations when using slewing rings in industrial settings include proper training, maintaining safe working distances, following lockout/tagout procedures, wearing appropriate PPE, conducting regular inspections and maintenance, ensuring proper lubrication, considering environmental factors, implementing emergency stop measures, and complying with safety regulations. By addressing these safety considerations, the risks associated with slewing ring operation can be minimized, promoting a safe working environment and preventing accidents or injuries.

China Good quality High Performance China Pallet Swing Roller Slewing Angular Contact Ball Bearing Ring  China Good quality High Performance China Pallet Swing Roller Slewing Angular Contact Ball Bearing Ring
editor by Dream 2024-05-14

China high quality OEM Turntable Bearing 10-20 0411/0-02013 Slewing Ring for Ladle Turret

Product Description

OEM Turntable Bearing 10-20 571/0-57113 Slewing Ring For Ladle Turret

Four-point contact ball slewing turntable bearings 
consist of 2 ring seats. Compact structure, light weight, steel ball and arc track contact at 4 points, can bear axial force, radial force and overturning moment at the same time, has strong dynamic load.

 

No Non gear Dimensions Mounting Dimensions Structural Dimensions Weight
(kg)
DL
mm
D
mm
d
mm
H
mm
D1
mm
D2
mm
n mm dm
mm
L
mm
n1
mm
D3
mm
d1
mm
H1
mm
h
mm
1 571.20.200 280 120 60 248 152 12 16 M14 28 2 201 199 50 10 17
2 571.20.224 304 144 60 272 176 12 16 M14 28 2 225 223 50 10 20
3 571.20.250 330 170 60 298 202 18 16 M14 28 2 251 249 50 10 22
4 571.20.280 360 200 60 328 232 18 16 M14 28 2 281 279 50 10 24
5 571.25.315 408 222 70 372 258 20 18 M16 32 2 316 314 60 10 37
6 571.25.355 448 262 70 412 298 20 18 M16 32 2 356 354 60 10 45
7 571.25.400 493 307 70 457 343 20 18 M16 32 2 401 399 60 10 50
8 571.25.450 543 357 70 507 393 20 18 M16 32 2 451 449 60 10 55
9 571.30.500 602 398 80 566 434 20 18 M16 32 4 501 498 70 10 85
9Y 571.25.500 602 398 80 566 434 20 18 M16 32 4 501 499 70 10 85
10 571.30.560 662 458 80 626 494 20 18 M16 32 4 561 558 70 10 95
10Y 571.25.560 662 458 80 626 494 20 18 M16 32 4 561 559 70 10 95
11 571.30.630 732 528 80 696 564 24 18 M16 32 4 631 628 70 10 110
11Y 571.25.630 732 528 80 696 564 24 18 M16 32 4 631 629 70 10 110
12 571.30.710 812 608 80 776 644 24 18 M16 32 4 711 708 70 10 120
12Y 571.25.710 812 608 80 776 644 24 18 M16 32 4 711 709 70 10 120
13 571.40.800 922 678 100 878 722 30 22 M20 40 6 801 798 90 10 220
13Y 571.30.800 922 678 100 878 722 30 22 M20 40 6 801 798 90 10 220
14 571.40.900 1571 778 100 978 822 30 22 M20 40 6 901 898 90 10 240
14Y 571.30.900 1571 778 100 978 822 30 22 M20 40 6 901 898 90 10 240
15 571.40.1000 1122 878 100 1078 922 36 22 M20 40 6 1001 998 90 10 270
15Y 571.30.1000 1122 878 100 1078 922 36 22 M20 40 6 1001 998 90 10 270
16 571.40.1120 1242 998 100 1198 1042 36 22 M20 40 6 1121 1118 90 10 300
16Y 571.30.1120 1242 998 100 1198 1042 36 22 M20 40 6 1121 1118 90 10 300
17 571.45.1250 1390 1110 110 1337 1163 40 26 M24 48 5 1252 1248 100 10 420
17Y 571.35.1250 1390 1110 110 1337 1163 40 26 M24 48 5 1251 1248 100 10 420
18 571.45.1400 1540 1260 110 1487 1313 40 26 M24 48 5 1402 1398 100 10 480
18Y 571.35.1400 1540 1260 110 1487 1313 40 26 M24 48 5 1401 1398 100 10 480
19 571.45.1600 1740 1460 110 1687 1513 45 26 M24 48 5 1602 1598 100 10 550
19Y 571.35.1600 1740 1460 110 1687 1513 45 26 M24 48 5 1601 1598 100 10 550
20 571.45.1800 1940 1660 110 1887 1713 45 26 M24 48 5 1802 1798 100 10 610
20Y 571.35.1800 1940 1660 110 1887 1713 45 26 M24 48 5 1801 1798 100 10 610
21 571.60.2000 2178 1825 144 2110 1891 48 33 M30 60 8 2002 1998 132 12 1100
21Y 571.40.2000 2178 1825 144 2110 1891 48 33 M30 60 8 2001 1998 132 12 1100
22 571.60.2240 2418 2065 144 2350 2131 48 33 M30 60 8 2242 2238 132 12 1250
22Y 571.40.2240 2418 2065 144 2350 2131 48 33 M30 60 8 2241 2238 132 12 1250
23 571.60.2500 2678 2325 144 2610 2391 56 33 M30 60 8 2502 2498 132 12 1400
23Y 571.40.2500 2678 2325 144 2610 2391 56 33 M30 60 8 2501 2498 132 12 1400
24 571.60.2800 2978 2625 144 2910 2691 56 33 M30 60 8 2802 2798 132 12 1600
24Y 571.40.2800 2978 2625 144 2910 2691 56 33 M30 60 8 2802 2798 132 12 1600
25 571.75.3150 3376 2922 174 3286 3014 56 45 M42 84 8 3152 3147 162 12 2800
25Y 571.50.3150 3376 2922 174 3286 3014 56 45 M42 84 8 3152 3147 162 12 2800

o External gear
DL
mm
Dimensions Mounting Dimensions Structural Dimension Gear data Gear circumferential force weight
kg
D
mm
d
mm
H
mm
D1
mm
D2
mm
n mm dm
mm
L
mm
n1
mm
D3
mm
d1
mm
H1
mm
h
mm
b
mm
x M
mm
De
mm
z Normalizing
Z104N
Quenching
T104N
1 011.20.200 280 120 60 248 152 12 16 M14 28 2 201 199 50 10 40 0 3 300 98     20
2 011.20.224 304 144 60 272 176 12 16 M14 28 2 225 223 50 10 40 0 3 321 105     22
3 011.20.250 330 170 60 298 202 18 16 M14 28 2 251 249 50 10 40 0 4 352 86     24
4 011.20.280 360 200 60 328 232 18 16 M14 28 2 281 279 50 10 40 0 4 384 94     27
5 011.25.315 408 222 70 372 258 20 18 M16 32 2 316 314 60 10 50 0 5 435 85 2.9 4.4 40
6 011.25.355 448 262 70 412 298 20 18 M16 32 2 356 354 60 10 50 0 5 475 93 2.9 4.4 45
7 011.25.400 493 307 70 457 343 20 18 M16 32 2 401 399 60 10 50 0 6 528 86 3.5 5.3 55
8 011.25.450 543 357 70 507 393 20 18 M16 32 2 451 449 60 10 50 0 6 576 94 3.5 5.3 63
9 011.30.500 602 398 80 566 434 20 18 M16 32 4 501 498 70 10 60 0.5 5 629 123 3.7 5.2 85
012.30.500 6 628.8 102 4.5 6.2
9Y 011.25.500 602 398 80 566 434 20 18 M16 32 4 501 499 70 10 60 0.5 5 629 123 3.7 5.2 85
012.25.500 6 628.8 102 4.5 6.2
10 011.30.560 662 458 80 626 494 20 18 M16 32 4 561 558 70 10 60 0.5 5 689 135 3.7 5.2 95
012.30.560 6 688.8 112 4.5 6.2
10Y 011.25.560 662 458 80 626 494 20 18 M16 32 4 561 559 70 10 60 0.5 5 689 135 3.7 5.2 95
012.25. 560 6 688.8 112 4.5 6.2
11 011.30.630 732 528 80 696 564 24 18 M16 32 4 631 628 70 10 60 0.5 6 772.8 126 4.5 6.2 110
012.30.630 8 774.4 94 6 8.3
11Y 011.25.630 732 528 80 696 564 24 18 M16 32 4 631 629 70 10 60 0.5 6 772.8 126 4.5 6.2 110
012.25.630 8 774.4 94 6 8.2
12 011.30.710 812 608 80 776 644 24 18 M16 32 4 711 708 70 10 60 0.5 6 850.8 139 4.5 6.2 120
012.30.710 8 854.4 104 6 8.3
12Y 011.25.710 812 608 80 776 644 24 18 M16 32 4 711 709 70 10 60 0.5 6 850.8 139 4.5 6.2 120
012.25.710 8 854.4 104 6 8.9
13 011.40.800 922 678 100 878 722 30 22 M20 40 6 801 798 90 10 80 0.5 8 966.4 118 8 11.1 220
012.40.800 10 968 94 10 14
13Y 011.30.800 922 678 100 878 722 30 22 M20 40 6 801 798 90 10 80 0.5 8 966.4 118 8 11.1 220
012.30.800 10 968 94 10 14.1
14 011.40.900 1571 778 100 978 822 30 22 M20 40 6 901 898 90 10 80 0.5 8 1062.4 130 8 11.1 240
012.40.900 10 1068 104 10 14
14Y 011.30.900 1571 778 100 978 822 30 22 M20 40 6 901 898 90 10 80 0.5 8 1062.4 130 8 11.1 240
012.30.900 10 1068 104 10 14
15 011.40.1000 1122 878 100 1078 922 36 22 M20 40 6 1001 998 90 10 80 0.5 10 1188 116 10 14 270
012.40.1000 12 1185.6 96 12 16.7
15Y 011.30.1000 1122 878 100 1078 922 36 22 M20 40 6 1001 998 90 10 80 0.5 10 1188 116 10 14 270
012.30.1000 12 1185.6 96 12 16.7
16 011.40.1120 1242 998 100 1198 1042 36 22 M20 40 6 1121 1118 90 10 80 0.5 10 1298 127 10 14 300
012.40.1120 12 1305.6 106 12 16.7
16Y 011.30.1120 1242 998 100 1198 1042 36 22 M20 40 6 1121 1118 90 10 80 0.5 10 1298 127 10 14 300
012.30.1120 12 1305.6 106 12 16.7
17 011.45.1250 1390 1110 110 1337 1163 40 26 M24 48 5 1252 1248 100 10 90 0.5 12 1449.6 118 13.5 18.8 420
012.45.1250 14 1453.2 101 15.8 21.9
17Y 011.35.1250 1390 1110 110 1337 1163 40 26 M24 48 5 1251 1248 100 10 90 0.5 12 1449.6 118 13.5 18.8 420
012.35.1250 14 1453.2 101 15.8 21.9
18 011.45.1400 1540 1260 110 1487 1313 40 26 M24 48 5 1402 1398 100 10 90 0.5 12 1605.6 131 13.5 18.8 480
012.45.1400 14 1607.2 112 15.5 21.9
18Y 011.35.1400 1540 1260 110 1487 1313 40 26 M24 48 5 1401 1398 100 10 90 0.5 12 1605.6 131 13.5 18.8 480
012.35.1400 14 1607.2 112 15.8 21.9
19 011.45.1600 1740 1460 110 1687 1513 45 26 M24 48 5 1602 1598 100 10 90 0.5 14 1817.2 127 15.8 21.9 550
012.45.1600 16 1820.8 111 18.1 25
19Y 011.35.1600 1740 1460 110 1687 1513 45 26 M24 48 5 1601 1598 100 10 90 0.5 14 1817.2 127 15.8 21.9 550
012.35.1600 16 1820.8 111 18.1 25
20 011.45.1800 1940 1660 110 1887 1713 45 26 M24 48 5 1802 1798 100 10 90 0.5 14 2013.2 141 15.8 21.9 610
012.45.1800 16 2012.8 123 18.1 25
20Y 011.35.1800 1940 1660 110 1887 1713 45 26 M24 48 5 1801 1798 100 10 90 0.5 14 2013.2 141 15.8 21.9 610
012.35.1800 16 2012.8 123 18.1 25
21 011.60.2000 2178 1825 144 2110 1891 48 33 M30 60 8 2002 1998 132 12 120 0.5 16 2268.8 139 24.1 33.3 1100
012.60.2000 18 2264.4 123 27.1 37.5
21Y 011.40.2000 2178 1825 144 2110 1891 48 33 M30 60 8 2001 1998 132 12 120 0.5 16 2268.8 139 24.1 33.3 1100
012.40.2000 18 2264.4 123 27.1 37.5
22 011.60.2240 2418 2065 144 2350 2131 48 33 M30 60 8 2242 2238 132 12 120 0.5 16 2492.8 153 24.1 33.3 1250
012.60.2240 18 2498.4 136 27.1 37.5
22Y 011.40.2240 2418 2065 144 2350 2131 48 33 M30 60 8 2241 2238 132 12 120 0.5 16 2492.8 153 24.1 33.3 1250
012.40.2240 18 2498.4 136 27.1 37.5
23 011.60.2500 2678 2325 144 2610 2391 56 33 M30 60 8 2502 2498 132 12 120 0.5 18 2768.4 151 27.1 37.5 1400
012.60.2500 20 2776 136 30.1 41.8
23Y 011.40.2500 2678 2325 144 2610 2391 56 33 M30 60 8 2501 2498 132 12 120 0.5 18 2768.4 151 27.1 37.5 1400
012.40.2500 20 2776 136 30.1 41.8
24 011.60.2800 2978 2625 144 2910 2691 56 33 M30 60 8 2802 2798 132 12 120 0.5 18 3074.4 168 27.1 37.5 1600
012.60.2800 20 3076 151 30.1 41.8
24Y 011.40.2800 2978 2625 144 2910 2691 56 33 M30 60 8 2802 2798 132 12 120 0.5 18 3074.4 168 27.1 37.5 1600
012.40.2800 20 3076 151 30.1 41.8
25 011.75.3150 3376 2922 174 3286 3014 56 45 M42 84 8 3152 3147 162 12 150 0.5 20 3476 171 37.7 52.2 2800
012.75.3150 22 3471.6 155 41.5 57.4
25Y 011.50.3150 3376 2922 174 3286 3014 56 45 M42 84 8 3152 3147 162 12 150 0.5 20 3476 171 37.7 52.2 2800
012.50.3150 22 3471.6 155 41.5 57.4

o Internal gear
DL
mm
Dimensions Mounting Dimensions Structural Dimension Gear data Gear circumferential force Weight
(kg)
D
mm
d
mm
H
mm
D 1
mm
D2
mm
n mm dm
mm
L
mm
n1
mm
D3
mm
d1
mm
H1
mm
h
mm
b
mm
x M
mm
De
mm
z Normalizing
Z104N
Quenching
T104N
1 013.25.315 408 222 70 372 258 20 18 M16 32 2 316 314 60 10 50 0 5 190 40 2.9 4.4 38
2 013.25.355 448 262 70 412 298 20 18 M16 32 2 356 354 60 10 50 0 5 235 49 2.9 4.4 43
3 013.25.400 493 307 70 457 343 20 18 M16 32 2 401 399 60 10 50 0 6 276 48 3.5 5.3 53
4 013.25.450 543 357 70 507 393 20 18 M16 32 2 451 449 60 10 50 0 6 324 56 3.5 5.3 61
5 013.30.500 602 398 80 566 434 20 18 M16 32 4 501 498 70 10 60 0.5 5 367 74 3.7 5.2 85
014.30.500 6 368.4 62 4.5 6.2
5Y 013.25.500 602 398 80 566 434 20 18 M16 32 4 501 499 70 10 60 0.5 5 367 74 3.7 5.2 85
014.25.500 6 368.4 62 4.5 6.2
6 013.30.560 662 458 80 626 494 20 18 M16 32 4 561 558 70 10 60 0.5 5 427 86 3.7 5.2 95
014.30.560 6 428.4 72 4.5 6.2
6Y 013.25.560 662 458 80 626 494 20 18 M16 32 4 561 559 70 10 60 0.5 5 427 86 3.7 5.2 95
014.25.560 6 428.4 72 4.5 6.2
7 013.30.630 732 528 80 696 564 24 18 M16 32 4 631 628 70 10 60 0.5 6 494.4 83 4.5 6.2 110
014.30.630 8 491.2 62 6 8.3
7Y 013.25.630 732 528 80 696 564 24 18 M16 32 4 631 629 70 10 60 0.5 6 494.4 83 4.5 6.2 110
014.25.630 8 491.2 62 6 8.2
8 013.30.710 812 608 80 776 644 24 18 M16 32 4 711 708 70 10 60 0.5 6 572.4 96 4.5 6.2 120
014.30.710 8 571.2 72 6 8.3
8Y 013.25.710 812 608 80 776 644 24 18 M16 32 4 711 709 70 10 60 0.5 6 572.4 96 4.5 6.2 120
014.25.710 8 571.2 72 6 8.9
9 013.40.800 922 678 100 878 722 30 22 M20 40 6 801 798 90 10 80 0.5 8 635.2 80 8 11.1 220
014.40.800 10 634 64 10 14
9Y 013.30.800 922 678 100 878 722 30 22 M20 40 6 801 798 90 10 80 0.5 8 635.2 80 8 11.1 220
014.30.800 10 634 64 10 14.1
10 013.40.900 1571 778 100 978 822 30 22 M20 40 6 901 898 90 10 80 0.5 8 739.2 93 8 11.1 240
014.40.900 10 734 74 10 14
10Y 013.30.900 1571 778 100 978 822 30 22 M20 40 6 901 898 90 10 80 0.5 8 739.2 93 8 11.1 240
014.30.900 10 734 74 10 14
11 013.40.1000 1122 878 100 1078 922 36 22 M20 40 6 1001 998 90 10 80 0.5 10 824 83 10 14 270
014.40.1000 12 820.8 69 12 16.7
11Y 013.30.1000 1122 878 100 1078 922 36 22 M20 40 6 1001 998 90 10 80 0.5 10 824 83 10 14 270
014.30.1000 12 820.8 69 12 16.7
12 013.40.1120 1242 998 100 1198 1042 36 22 M20 40 6 1121 1118 90 10 80 0.5 10 944 95 10 14 300
014.40.1120 12 940.8 79 12 16.7
12Y 013.30.1120 1242 998 100 1198 1042 36 22 M20 40 6 1121 1118 90 10 80 0.5 10 944 95 10 14 300
014.30.1120 12 940.8 79 12 16.7
13 013.45.1250 1390 1110 110 1337 1163 40 26 M24 48 5 1252 1248 100 10 90 0.5 12 1049 88 13.5 18.8 420
014.45.1250 14 1042 75 15.8 21.9
13Y 013.35.1250 1390 1110 110 1337 1163 40 26 M24 48 5 1251 1248 100 10 90 0.5 12 1049 88 13.5 18.8 420
014.35.1250 14 1042 75 15.8 21.9
14 013.45.1400 1540 1260 110 1487 1313 40 26 M24 48 5 1402 1398 100 10 90 0.5 12 1193 100 13.5 18.8 480
014.45.1400 14 1196 86 15.5 21.9
14Y 013.35.1400 1540 1260 110 1487 1313 40 26 M24 48 5 1401 1398 100 10 90 0.5 12 1193 100 13.5 18.8 480
014.35.1400 14 1196 86 15.8 21.9
15 013.45.1600 1740 1460 110 1687 1513 45 26 M24 48 5 1602 1598 100 10 90 0.5 14 1392 100 15.8 21.9 550
014.45.1600 16 1382 87 18.1 25
15Y 013.35.1600 1740 1460 110 1687 1513 45 26 M24 48 5 1601 1598 100 10 90 0.5 14 1392 100 15.8 21.9 550
014.35.1600 16 1382 87 18.1 25
16 013.45.1800 1940 1660 110 1887 1713 45 26 M24 48 5 1802 1798 100 10 90 0.5 14 1574 113 15.8 21.9 610
014.45.1800 16 1574 99 18.1 25
16Y 013.35.1800 1940 1660 110 1887 1713 45 26 M24 48 5 1801 1798 100 10 90 0.5 14 1574 113 15.8 21.9 610
014.35.1800 16 1574 99 18.1 25
17 013.60.2000 2178 1825 144 2110 1891 48 33 M30 60 8 2002 1998 132 12 120 0.5 16 1734 109 24.1 33.3 1100
014.60.2000 18 1735 97 27.1 37.5
17Y 013.40.2000 2178 1825 144 2110 1891 48 33 M30 60 8 2001 1998 132 12 120 0.5 16 1734 109 24.1 33.3 1100
014.40.2000 18 1735 97 27.1 37.5
18 013.60.2240 2418 2065 144 2350 2131 48 33 M30 60 8 2242 2238 132 12 120 0.5 16 1990 125 24.1 33.3 1250
014.60.2240 18 1987 111 27.1 37.5
18Y 013.40.2240 2418 2065 144 2350 2131 48 33 M30 60 8 2241 2238 132 12 120 0.5 16 1990 125 24.1 33.3 1250
014.40.2240 18 1987 111 27.1 37.5
19 013.60.2500 2678 2325 144 2610 2391 56 33 M30 60 8 2502 2498 132 12 120 0.5 18 2239 125 27.1 37.5 1400
014.60.2500 20 2228 112 30.1 41.8
19Y 013.40.2500 2678 2325 144 2610 2391 56 33 M30 60 8 2501 2498 132 12 120 0.5 18 2239 125 27.1 37.5 1400
014.40.2500 20 2228 112 30.1 41.8
20 013.60.2800 2978 2625 144 2910 2691 56 33 M30 60 8 2802 2798 132 12 120 0.5 18 2527 141 27.1 37.5 1600
014.60.2800 20 2528 127 30.1 41.8
20Y 013.40.2800 2978 2625 144 2910 2691 56 33 M30 60 8 2802 2798 132 12 120 0.5 18 2527 141 27.1 37.5 1600
014.40.2800 20 2528 127 30.1 41.8
21 013.75.3150 3376 2922 174 3286 3014 56 45 M42 84 8 3152 3147 162 12 150 0.5 20 2828 142 37.7 52.2 2800
014.75.3150 22 2825 129 41.5 57.4
21Y 013.50.3150 3376 2922 174 3286 3014 56 45 M42 84 8 3152 3147 162 12 150 0.5 20 2828 142 37.7 52.2 2800
014.50.3150 22 2825 129 41.5 57.4

 

Single row cross roller slewing bearing
Composed of 2 or 3 rings. compact structure, light weight, high manufacturing accuracy, small assembly gap and high requirement for installation accuracy. Rollers are 1:1 cross-arranged.
Can be bear axial force, overturning moment and large radial force at the same time,and widely used in lifting transportation, construction machinery and precesion products.

Double row ball slewing bearings
This kind of bearings can support high static loads with simple structures. They are mainly used in situations with variation load position and direction and continuously rotating. Main applications of this kind of bearings are deck hoisting, mining and material handling etc

 
Three row roller slewing bearing
Three row roller bearing able to bear all kinds of loads at the same time, it is the largest 1 of the 4 structural products with large axle and radial dimensions and firm structure. Especially suitable for heavy machinery requiring larger diameter, such as bucket wheel stacker and reclaimer, wheel crane, marine crane, port crane, ladle turret,large tonnage truck crane,heavy machinery and so on.
 

Type • Single row 4 point contact ball slewing bearing 
• Single row crossed cylindrical roller slewing bearings
• Double row ball slewing bearings
•Double row Roller/ball combination slewing bearing
•Three-Row Roller Slew Ring Bearing
Rolling elements Steel ball / Cylinder Roller
Rolling elements Material GCr5/GCr15SiMn/Customized
Bearing Material 50Mn/42CrMo/42CrMo4V /Customized
Cage Material Nylon/ steel /copper
Structure taper pin , Mounting holes,Inner ring ,grease fitting,load plug, seals , roller ,spacer balls or separators
Outer diameter 50-10000mm
Bore size 50-10000mm
Mounting hole Through hole/Tapped hole
Raceway hardness 55-62HRC
Inner and outer ring 
modulation hardness
229-269HB/Customized
Gear type No gear ,Internal gear , External gear.
Embellish grease EP2 lithium lubricating grease
Certificate ABS.BV,DNV,ISO9001,GL,3.1,3.2
Application area Ladle turret,Stacker crane,Bucket wheel machine,Solar heliostat Tracking System,port crane, Cabling machine,tower crane , offshore platform,ferris wheel, Palletizing robot,Rotary metallurgical furnace,can packing machine,Wind blade transporter,shield tunneling machine,tube push bench,excavator
Brand Name LYMC
Place of Origin HangZhou ZheJiang
Warranty 12 months
Payment term T/T is our first choice

Packing details

1,Filling with anti-rust oil
2.Corved with Plastic paper
3.Corved with kraft paper 
4.Corved with Blue tie 
5.Put in wooden box

 


Product Process

 

SLEWING BEARING RINGS

Rings are mainly made of 50Mn carbon steel or alloy steels such as 42CrMo4 and the choice of material depends on the required mechanical properties. Alloy steels are often used for heavy-duty applications. Their structural characteristics mean that heat treatments are more effective and greater surface hardness can be obtained than with carbon steels. Stainless steels such as AISI420 or AISI440C can be used for applications where corrosion resistance is required.

RACEWAYS

The raceways are heat-treated by induction in order to achieve a maximum surface hardness of 62 HRC for carbon or alloy steels, or 58 HRC for stainless steels. The hardening depth can vary depending on the type of steel. Hardening treatment is essential to allow the slewing coupling to support the heavy-duty loads it is exposed to in its intended application.

ROTATING ELEMENTS

The rotating elements used in slewing bearings may be balls or cylindrical rollers; both are typically made of 100Cr6 steel but other materials such as ceramic (zirconium oxide ZrO2 or silicon nitride Si3N4) or stainless steel (AISI440C) can be used. Rolling elements with different materials, sizes and precision grades are selected depending on the desired results.

CAGES OR SPACERS

Slewing bearing clearance plays a crucial role and is defined and optimised according to the application and performance to be achieved.
Cages or spacers made of different materials can be used to separate rolling elements, balls or rollers, depending on the loads and speeds required by the specific application.

PROTECTIONS

Special sliding seals are fitted between the inner and outer ring to protect the slewing bearing against the ingress of debris, dust or water particles that could affect its operation. The material used for seals is typically NBR rubber, but different materials can be chosen for specific applications.

LUBRICANT

The lubricant is another very important factor to ensure effective operation of the base bearing. The type of lubricant, quantity, quality, lubrication intervals, number and position of greasing points are determined according to the performance required of the slewing bearing and any specific customer requirements.

GEARED RINGS

Slewing bearing rings can be spur-gear or, more rarely, helical-gear. The gear module is sized and selected according to the application requirements.
Typically, the gearing is soft, i.e. untreated – the maximum hardness of untreated gears is 30 HRC for 42CrMo4. When service conditions require it, the gear surface can be induction-hardened to achieve a surface hardness of 60 HRC. Gear hardening is required when at least 1 of the following variables must be satisfied:

  • high rolling torque
  •  
  • high rotating speed
  •  
  • unfavourable environmental conditions, presence of CHINAMFG elements
  •  
  • maximum tooth lifetime

The experience gained by CHINAMFG Bearing allows us to design slewing bearings to specific customer needs. You can get the right product for your machines or systems without having to compromise with an off-the-shelf product.

Customer Feedback:

1

2

3

Application:

– Excavators – Drilling rigs – Mining Equipments – Cranes   -Offshore Equipments  – Vehicles  – Machine Tools  – Wind Turbines

About Us:
HangZhou MC Bearing Technology Co.,Ltd (LYMC),who is manufacture located in bearing zone, focus on Slewing bearing, cross roller bearing and pinion,Dia from 50mm-8000mm, Our team with technical and full experience in the bearing industry.
*Professional in researching, developing, producing & marketing high precision bearings for 16 years;
*Many series bearings are on stock; Factory directly provide, most competitive price;
*Advanced CNC equipment, guarantee product accuracy & stability;
*One stop purchasing, product include cross roller bearing, rotary table bearing, robotic bearing, slewing bearing, angular contact ball bearing, large and extra large custom made bearing, diameter from 50~9000mm;
*Excellent pre-sale & after sale service. We can go to customers’ project site if needed.
*Professional technical & exporting team ensure excellent product design, quotation, delivering, documentation & custom clearance.

Our Service:

FAQ:
1.Q: Are you trading company or manufacturer ?
A: We are professional slewing bearing manufacturer with 20 years’ experience.
2.Q: How long is your delivery time?
A: Generally it is 4-5 days if the goods are in stock. or it is 45 days if the goods are not in
stock, Also it is according to quantity.
3.Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample, it is extra.
4.Q: What is your terms of payment ?
A: Payment=1000USD, 30% T/T in advance, balance before shipment.
5.Q: Can you provide special customization according to the working conditions?
A: Sure, we can design and produce the slewing bearings for different working conditions.
6.Q: How about your guarantee?
A: We provide lifelong after-sales technical service. 

 

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Standard or Nonstandard: Standard
Feature: High Speed, Cold-Resistant, Corrosion-Resistant, Heat-Resistant
Sealing Gland: Sealed On Both Sides
Rolling-Element Number: Single-Row
Roller Type: Straight Raceway
Material: 50mn/42CrMo
Customization:
Available

|

How do slewing rings contribute to precise and controlled motion in machinery?

Slewing rings play a crucial role in enabling precise and controlled motion in machinery. Their design and functionality contribute to achieving accurate positioning, smooth rotation, and controlled movement. Here’s a detailed explanation of how slewing rings contribute to precise and controlled motion:

  • Precision Engineering: Slewing rings are meticulously engineered to provide high precision in motion control. The manufacturing processes involve tight tolerances and precise machining to ensure accurate dimensions and alignment of the rolling elements and raceways. This precision engineering minimizes any deviations or errors in motion, allowing for precise positioning and controlled movement.
  • Low Friction and Smooth Rotation: Slewing rings are designed to minimize friction and enable smooth rotation. The rolling elements, whether balls or rollers, are precisely positioned and guided within the raceways of the slewing ring. This design ensures that the rolling elements make contact with the raceways at specific angles, reducing friction during rotation. The low-friction characteristics allow for smooth and controlled motion, enabling precise positioning without undue resistance or jerky movements.
  • Integrated Gear Mechanism: Many slewing rings are equipped with an integrated gear mechanism. The gear teeth on the inner or outer ring of the slewing ring engage with external gears or pinions, providing a means to transmit torque and control rotational motion. The gear mechanism allows for precise and controlled movement, enabling operators or automated systems to achieve accurate positioning and controlled rotation at desired speeds.
  • Backlash Control: Backlash refers to the slight play or clearance between mating gears or components. Slewing rings are designed to minimize backlash, particularly in applications that require precise motion control. By reducing or eliminating backlash, slewing rings ensure that there is minimal lost motion or error when initiating rotational movement or changing direction. This feature contributes to improved accuracy and controlled motion.
  • Stiffness and Rigidity: Slewing rings are designed to provide high stiffness and rigidity, minimizing deflection or deformation during operation. This characteristic is especially important in applications where precise and controlled motion is required. The high stiffness of slewing rings ensures that the applied forces and torques are efficiently transmitted, allowing for accurate positioning and controlled motion without significant distortion or flexing.
  • Positioning Sensors and Feedback Systems: In conjunction with slewing rings, machinery often incorporates positioning sensors and feedback systems. These sensors and systems provide real-time data on the position, speed, and rotation of the slewing ring. By continuously monitoring and adjusting the motion based on the feedback, precise and controlled movement can be achieved, enabling accurate positioning and motion control.

Overall, slewing rings contribute to precise and controlled motion in machinery through their precision engineering, low friction, integrated gear mechanisms, backlash control, stiffness, and compatibility with positioning sensors and feedback systems. These features ensure accurate positioning, smooth rotation, and controlled movement, making slewing rings essential components for applications that require precise motion control in various industries such as construction, material handling, robotics, and manufacturing.

What are the signs that indicate a need for slewing ring replacement or maintenance, and how can they be diagnosed?

When it comes to slewing rings, certain signs indicate the need for replacement or maintenance to ensure optimal performance and prevent potential failures. Here’s a detailed explanation of the signs that indicate a need for slewing ring replacement or maintenance, along with methods for diagnosis:

  • Unusual Noise: Unusual noises, such as grinding, clicking, or squealing sounds, during the operation of rotating systems may indicate a problem with the slewing ring. These noises can be caused by worn-out or damaged rolling elements, insufficient lubrication, misalignment, or other issues. Diagnosis involves conducting a thorough inspection of the slewing ring and its components to identify the source of the noise and determine the appropriate course of action.
  • Abnormal Vibration: Excessive vibration during the operation of rotating systems can be a warning sign of a faulty slewing ring. It may indicate misalignment, imbalanced loads, damaged rolling elements, or worn-out bearings. Vibration analysis techniques, such as using vibration sensors or analyzers, can help diagnose the source and severity of the vibration. Based on the analysis results, appropriate maintenance or replacement actions can be taken.
  • Irregular Movement: Any irregular movement or jerking motion of the rotating system can be an indication of a problem with the slewing ring. It may be caused by damaged or worn-out teeth on the slewing ring, misalignment, or inadequate lubrication. Visual observation of the system’s movement during operation can help identify any irregularities. Additionally, conducting a detailed inspection of the slewing ring and its teeth can provide further insight into the issue.
  • Increased Friction: If there is a noticeable increase in friction or resistance during the rotation of the system, it could be a sign of a problem with the slewing ring. This may be due to insufficient or contaminated lubrication, damaged rolling elements, or misalignment. Diagnosis involves checking the lubrication levels and quality, inspecting the rolling elements for signs of damage, and verifying the alignment of the slewing ring.
  • Uneven or Excessive Wear: Visual inspection of the slewing ring can reveal signs of uneven or excessive wear. This can manifest as worn-out or pitted rolling elements, damaged or missing teeth, or abnormal wear patterns on the raceways. Regular inspections and comparing the current condition with the manufacturer’s specifications or previous inspection records can help diagnose the level of wear and determine if maintenance or replacement is necessary.
  • Leakage or Contamination: Leakage of lubricant or the presence of contaminants, such as dirt, water, or debris, in the slewing ring assembly can be indicative of a problem. It may lead to inadequate lubrication, accelerated wear, or corrosion. Visual inspection of the slewing ring and any associated seals or gaskets can help identify any signs of leakage or contamination. Addressing the source of the leakage and ensuring proper sealing is essential to maintain the integrity and performance of the slewing ring.
  • Reduced Load-Carrying Capacity: If the rotating system experiences difficulty in handling its intended loads or shows signs of decreased load-carrying capacity, it may indicate an issue with the slewing ring. Factors such as worn-out rolling elements, damaged raceways, or misalignment can contribute to the reduction in load-carrying capacity. Performance testing and comparing the system’s current capabilities with its original specifications can help diagnose any loss in load-carrying capacity.

In summary, signs that indicate a need for slewing ring replacement or maintenance include unusual noise, abnormal vibration, irregular movement, increased friction, uneven or excessive wear, leakage or contamination, and reduced load-carrying capacity. These signs can be diagnosed through visual inspections, vibration analysis, performance testing, and comparing the observed conditions with the manufacturer’s specifications. Early detection and timely maintenance or replacement of the slewing ring can prevent further damage, ensure safe operation, and extend the lifespan of the rotating system.

What is a slewing ring, and how is it used in mechanical systems?

A slewing ring, also known as a slewing bearing or turntable bearing, is a specialized type of rolling element bearing that enables rotational movement between two components. It consists of an inner ring, an outer ring, rolling elements (such as balls or rollers), and often a gear mechanism. Slewing rings are used in mechanical systems where there is a need for smooth and controlled rotation. Here’s a detailed explanation of what a slewing ring is and how it is used:

  • Structure and Components: A slewing ring typically has a large diameter compared to its thickness, allowing it to support axial, radial, and moment loads. The inner and outer rings have raceways that the rolling elements move along. The rolling elements, which can be balls or rollers, distribute the load and facilitate smooth rotation. In some cases, a gear mechanism is integrated into the slewing ring, allowing it to act as a rotational drive system.
  • Rotational Movement: The primary function of a slewing ring is to enable rotational movement between two components. It provides a stable and low-friction interface that allows one component to rotate relative to the other. The rolling elements within the raceways minimize friction and distribute the load evenly, resulting in smooth and controlled rotation. Slewing rings can support both continuous rotation and intermittent or oscillating movement, depending on the application requirements.
  • Load Support: Slewing rings are designed to support various types of loads. They can handle axial loads, which are forces acting parallel to the axis of rotation, as well as radial loads, which are forces acting perpendicular to the axis of rotation. Additionally, slewing rings can accommodate moment loads, which are a combination of axial and radial loads that create bending or twisting forces. The load-carrying capacity of a slewing ring depends on factors such as its size, design, and choice of rolling elements.
  • Applications: Slewing rings find applications in a wide range of mechanical systems across different industries. Some common uses include:
  • Construction and Cranes: Slewing rings are extensively used in construction machinery, cranes, and mobile equipment. They enable 360-degree rotation of the boom or jib, allowing for efficient material handling and positioning.
  • Wind Turbines: Slewing rings are crucial components in wind turbine systems. They support the rotor, allowing it to rotate according to wind direction, and provide a connection between the rotor and the nacelle, enabling yaw movement.
  • Industrial Equipment: Slewing rings are utilized in various industrial equipment, including indexing tables, turntables, robotic arms, and packaging machinery. They facilitate precise and controlled rotation in these applications.
  • Transportation and Automotive: Slewing rings are employed in transportation and automotive applications, such as vehicle cranes, aerial platforms, and rotating platforms for heavy-duty vehicles. They enable safe and smooth rotation in these specialized systems.
  • Medical and Rehabilitation Equipment: Slewing rings are used in medical and rehabilitation equipment, such as patient lifts and adjustable beds. They allow for smooth and controlled movement, aiding in patient care and mobility assistance.

In summary, a slewing ring is a specialized bearing that enables controlled rotational movement between components in mechanical systems. Its ability to support various loads, provide smooth rotation, and accommodate different applications makes it a valuable component in a wide range of industries.

China high quality OEM Turntable Bearing 10-20 0411/0-02013 Slewing Ring for Ladle Turret  China high quality OEM Turntable Bearing 10-20 0411/0-02013 Slewing Ring for Ladle Turret
editor by Dream 2024-05-13

China Standard High Quality 42CrMo4 Slewing Ring Bearing Slewing Gear 01-3031-00

Product Description


Production Description for Slewing Bearing, ring bearing, rolling bearings, turntables

Slewing Bearing 01-3031-00  for construction machinery, cranes
 

1 Type single row 4 point contact ball slewing bearing, ring bearing, slewing gear
2 Bore diameter 2914mm
3 Outside diameter 3198mm
4 Height 90mm
5 Material 42CrMo, 50Mn
6 Precision P0. P6. P5.
7 Cage/retainer Nylon or aluminum
8 Gear type External gear
9 N.W. 716KGS

 

External Diameter Internal Diameter Height  Weight  Module  Gear No. Model   *
244 125 25 5 2 120   STD 
318 169 45 14 3 104 STD 
379 210 45 20 4 92 STD 
403.5 234 55 25 4.5 88 STD 
440 265 50 28 4.5 95 STD 
505 304 56 32 5 99 SL
505 342 56 32 5 99 SLBP
529 323 54 45 5 103 STD 
535 305 75 61 8 65 STD 
589 383 75 62 5 116 STD 
640 434 56 44 6 105 SL
640 472 56 46 6 105 SLBP
654 390 85 98 8 80 STD 
689 455 74 89 6 112 STD 
700 479 77 85 6 114 STD 
742 534 56 52 6 122 SL
742 572 56 55 6 122 SLBP
774 516 82 118 8 94 STD 
816 573 90 129 6 132 STD 
840 634 56 60 6 138 SL
840 672 56 62 6 138 SLBP
863 679 82 102 6 142 STD 
886 610 85 155 8 108 STD 
950 734 56 68 8 117 SL
950 772 56 71 8 117 SLBP
979 717 100 178 10 94 STD 
1571 770 82 159 8 125 STD 
1046 834 56 76 8 129 21 0571 01 SL
1046 872 56 78 8 129 31 0571 01 SLBP
1094 833 82 179 8 134 STD 
1144 869 100 228 10 111 STD 
1198 984 56 86 8 148 SL
1198 1571 56 91 8 148 SLBP
1218 930 98 268 10 119 STD 
1289.5 984 114 330 10 125 STD 
1358 1045 98 325 10 133 STD 
1431 1200 63 176 8 177 STD 
1476 1084 110 503 10 144 STD 
1604 1206 130 653 10 157 STD 
1605 1270 110 469 12 131 STD 
1727 1500 63 213 8 214 STD
1836 1433 135 791 16 112 STD 
1929 1565 110 617 14 135 STD 
1975 1750 63 244 8 245 STD
2571 1615 150 1004 14 142 STD 
2140 1720 130 953 16 131 STD 
2165 1950 68 278 8 269 STD
2267 1815 140 1174 16 139 STD 
2342 2091 70 373 8 290 STD 
2390 1950 130 1111 18 130 STD 
2534 2042 144 1482 18 138 STD 
2695 2425 63 411 8 335 STD 
2790 2290 164 1895 18 151 STD 
3116 2600 164 2200 20 152 STD 
3200 2914 190 716 10 318 STD

Why choose CHINAMFG slewing bearings
A CHINAMFG in slewing bearing field, rich experience, can do design, produce, mounting guide
Small order accepted
ISO certified company
Variorum models
7*24hours hotline to help you with your cranes
Strict quality control system to ensure quality for slewing bearing

LYHY Slewing Bearing Types
LYHY slewing bearings can be divided into the following types as per  their structures:
single row 4 point contact ball slewing bearing,
single row cross roller slewing bearing,
double row different ball diameter slewing bearing,
three row cylindrical roller slewing bearing and roller/ball combination slewing bearing.
And all these types of slewing bearings can be further divided into bearings without gears, bearings with external gears and bearings with internal gears.

Detailed description of these types slewing bearings

Single row 4 point contact ball slewing bearings
     This kind of slewing bearings can support high dynamic loads, transmitting axial and radial forces simultaneously as well as the resulting tilting moments. Applications of this kind of bearings are hoisting, mechanical handling and general mechanical engineering etc.
Single row cross roller slewing bearings
     This kind of bearings can support combinations of large radial force, medium axial force and tilting moment with small or zero clearance. Main applications of this kind of bearings are hoisting and mechanical handling and general mechanical engineering etc.
Double row different ball diameter slewing bearings
     This kind of bearings can support high static loads with simple structures. They are mainly used in situations with variation load position and direction and continuously rotating. Main applications of this kind of bearings are deck hoisting, mining and material handling etc.
Triple row cylindrical roller slewing bearings
     This kind of bearings has high load carrying capacity. Under same loads, this kind of bearings has much smaller diameters which can make the installation much compact, as different kinds of loads are supported by different races and rollers. Main applications of this kind of bearings are hoisting, mechanical handling, mining and materials handling, offshore technology and general mechanical engineering etc.
Roller/ball combination slewing bearings
     This kind of bearings can support high axial load and low tilting moments. Usually they are large diameter slewing bearings. Applications of this kind of bearings are mining and materials handling etc.

About CHINAMFG bearings
1.introduction:we are a manufacturer of slewing bearing since 1993, our factory occupies a area of 30000square meters with 4 workshop and 1 office building. 
2. Featured products: slewing bearing and slewing drive
3. Capital: Current is 1 million RMB, but we are increasing the capital to 10 million RMB
4. Workers: 40
5. Certificate: ISO9001:2008, 3.1 certificate, CCS certificate, Science and Technology Progress Award
6. Annual Exportation: 8million USD
7. Exported countries: (39)
Asia: India, Pakistan, Iran, Signore, Georgia, Malaysia, Vietnam, Thailand, Philippines, Israel, Korea, UAE, Sri Lanka, Saudi Arabia,
Europe: Turkey, Russia, Spain, Czech Republic, Italy, Poland, Slovakia, Bosnia and Herzegovina, Austria, France, Germany, Switzerland, Finland, Ukraine, UK
America: USA, Canada, Mexico, Brazil, Puerto Rico, Peru, Chile
Africa: South Africa, Egypt
Oceania: Australia

Production Process of CHINAMFG slewing bearings

Quality Control Process of CHINAMFG slewing bearings

LYHY Slewing Bearing Packing 
Bearing surface is covered with the anti-rust oil first; and then wrapped with the plastic film;
And then packed with kraft paper and professional belts;
At last, with wooden box totally at the outer packing to invoid the rust or the moist;
We can depend on the customers  demand to be packed;

Slewing Ring Bearings——Applications:
Slewing ring bearings are widely used in industry and known as “the machine joints” Here under is the specific slewing bearing applications
1. Construction machinery (e.g. cranes, excavators, loader, scraper)
2. Metallurgical machinery (e.g. for steel plant)
3. Heavy machinery equipment (e.g. mining machinery, concrete machinery)
4. Marine machinery equipment (e.g. vessel, port hoisting machine, port oil transfer equipment, onshore and offshore crane)
5. Light machinery equipment (e.g. paper machine, plastic, rubber machine, weave machine)
6. Wind power generator
7. Packing machinery

Transportation:
All CHINAMFG slewing ring bearings can be usually delivered timely, usual production time is 15-50 days based on different slew bearings diameters, sometimes slew rings will be in stock.
Slewing bearings can be offered different delivery terms, such as EXW, FOB, CIF, DDU and so on.
Also, slewing rings can be transported by different transport ways, by express (such as DHL, TNT, UPS, FEDEX and so on), by air, by sea, by truck, by railway and so on.

INSTALLATION OF CHINAMFG SLEWING BEARINGS

Preparation:
Make sure that the model is correct and slewing bearing isn’t damaged during transportation.
2.  Check the appearance and rotational state of the bearing, such as rotational precision clearance, rotating flexibility, seals position, lubrication grease etc.
3.  The installation datum plane and bracket installing plane should be clean, grease, burr, paint and other foreign body should be wiped off.

Installation:

1. The screws in the installing plane should be fit with the mounting holes in the slewing bearing
2.  The slewing bearing has a soft zone marked with an “s” on the upper surface, when installing the bearing, it is important to ensure that this area is placed in a non-load or infrequent load zone.
3.  When the bearing is placed on the supporting frame work it is important to check the interface between these 2 surfaces. This check should be carried out with the insertion of feel gauges between the 2 surfaces. If a gap should exist then it is recommended to plane/resurface the effective area so as to remove the gap.
4.  Install slewing bearing with high strength screws, and choose appropriate strength bolts. All bolts are required to be tightened evenly. The sequence of this tightening process is shown in Pic. Welding of bearing is not allowed, in the event of welding any adjacent parts, heat transfer shall be avoided so as to cause the bearing to become deformed or change the hardness.
5.  After installation, the bearing should be rotated to check for smooth operation and any emission of unusual noise. If either of the aforementioned are noted, then the bearing should be adjusted to eliminate them. The teeth of the largest run-out are coated with green paint.

FAQ:

Q: Are LYHY BEARINGS trading company or manufacturer?
A: CHINAMFG BEARINGS is a professional manufacturer for slewing bearings, thin section bearings, ball bearings and rolling bearings

Q: How do LYHY BEARINGS control quality of their bearing?
A: LYHY BEARINGS has established strict quality control systems, all the products and services has passed ISO9001-2008 Quality Certificate and third party such as CCS, LR,ABS,BV

Q: What is the MOQ?
A: MOQ is 1pc, pls message us for detailed information.

Q: How about the package for CHINAMFG bearings?
A: Standard Industrial packing in general condition (Plastic tube+ professional plastic belts+ plywood case). Accept design package when OEM.

Q: How long is the production time?
A: It takes about 7-40 days, depends on the model and quantity.

Q: How about the shipping?
A: We can arrange the shipment or you may have your own forwarder.

Q: Is sample available?
A: Yes, sample order is acceptable.

Q: Can we use our own LOGO or design on bearings?
A: Yes. OEM is acceptable for LYHY BEARINGS. We can design as per your requirements and use your own LOGO and package design.
  /* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Standard or Nonstandard: Standard
Sealing Gland: Sealed On Both Sides
Rolling-Element Number: Single-Row
Roller Type: Four Point Contact Ball
Material: 50mn, 42CrMo
Type: External Gear
Samples:
US$ 5000/Piece
1 Piece(Min.Order)

|

Customization:
Available

|

Can you describe the factors to consider when selecting slewing rings for specific applications?

When selecting slewing rings for specific applications, several factors need to be considered to ensure optimal performance and reliability. Here’s a detailed description of the factors to consider:

  • Load Requirements: The load capacity of the slewing ring should match the anticipated loads in the application. Consider both the maximum static load (weight of the structure or equipment) and dynamic load (forces during operation). It is crucial to analyze the load distribution, including axial, radial, and moment loads, and select a slewing ring with sufficient load-carrying capacity to handle these loads.
  • Space Limitations: Evaluate the available space for the installation of the slewing ring. Consider the diameter, height, and width of the slewing ring to ensure it fits within the space constraints of the application. It is essential to consider both the external dimensions of the slewing ring and the required clearance for rotation.
  • Rotational Speed: Determine the required rotational speed of the slewing ring. Consider the application’s operating speed and any specific speed limitations. The slewing ring should be selected to accommodate the rotational speed requirements while maintaining smooth and efficient operation.
  • Environmental Conditions: Evaluate the operating environment of the application. Factors such as temperature, humidity, dust, water exposure, chemicals, and corrosive elements should be considered. Choose a slewing ring with appropriate sealing systems, corrosion-resistant materials, and lubrication options to withstand the specific environmental conditions.
  • Accuracy and Positioning: Some applications require precise positioning and rotational accuracy. Determine the required level of accuracy and select a slewing ring that provides the necessary precision. Factors such as gear mechanism, backlash control, and manufacturing tolerances contribute to the accuracy of the slewing ring.
  • Operating Conditions: Consider the overall operating conditions of the application, including factors such as shock and vibration levels, duty cycle, continuous or intermittent operation, and expected service life. The slewing ring should be designed to withstand the anticipated operating conditions and provide reliable performance over the desired lifespan.
  • Integration and Compatibility: Assess the integration requirements of the slewing ring with the rest of the system or equipment. Consider factors such as mounting interfaces, connection points, gear compatibility, and the need for additional components such as drive systems or bearings. Ensure that the selected slewing ring is compatible with the existing or planned system components.
  • Industry Standards and Regulations: Depending on the application, specific industry standards and regulations may apply. Consider any applicable standards, such as ISO specifications or industry-specific guidelines, to ensure compliance and safety in the selection of the slewing ring.

By carefully analyzing these factors and selecting a slewing ring that meets the specific requirements of the application, one can ensure optimal performance, longevity, and reliability of the slewing ring in its intended use.

Can you provide examples of products or machinery that commonly use slewing rings?

Slewing rings are widely used in various industries and play a vital role in the functioning of numerous products and machinery. They offer rotational support, precise motion control, and load-bearing capabilities. Here are some examples of products or machinery that commonly utilize slewing rings:

  • Construction Machinery: Slewing rings are extensively used in construction machinery such as excavators, cranes, concrete pumps, and tower cranes. They enable the rotation and movement of the boom, arm, and bucket, allowing for precise control during digging, lifting, and material placement operations.
  • Material Handling Equipment: Slewing rings are essential components in material handling equipment like forklifts, stackers, and reach stackers. They facilitate the rotation and swiveling of the mast or boom, enabling efficient loading, unloading, and stacking of goods in warehouses, logistics centers, and ports.
  • Wind Turbines: Slewing rings are crucial in wind turbines, where they support the yaw and pitch mechanisms. The yaw system allows the turbine to rotate and face the wind direction, while the pitch system adjusts the angle of the blades for optimal wind capture. Slewing rings enable precise and controlled movement, ensuring efficient wind energy conversion.
  • Cranes: Various types of cranes, including mobile cranes, crawler cranes, and tower cranes, rely on slewing rings for their rotation and lifting capabilities. Slewing rings support the crane’s superstructure, allowing it to rotate horizontally, and provide stability and load-bearing capacity during lifting operations.
  • Rotary Drilling Rigs: Slewing rings are commonly used in rotary drilling rigs for oil and gas exploration, foundation construction, and mining operations. They enable the rotation and positioning of the drill mast, allowing for precise drilling and borehole creation.
  • Railway Equipment: Slewing rings find application in railway equipment such as rail cranes, railway maintenance machines, and turntables. They facilitate the rotation and movement of equipment, ensuring efficient maintenance, repairs, and track positioning.
  • Robotics: Slewing rings are integral to robotic systems, including industrial robots, robotic arms, and robotic welding systems. They enable the rotational movement and articulation of the robot’s joints, allowing for precise and controlled manipulation in manufacturing, assembly, and automation processes.
  • Solar Tracking Systems: Slewing rings are employed in solar tracking systems to orient solar panels toward the sun. They enable the rotation and tilting of the panels, maximizing solar energy absorption and optimizing power generation in solar farms and photovoltaic systems.
  • Turntables and Rotating Platforms: Slewing rings are used in turntables and rotating platforms found in various applications. They support the rotational movement of entertainment stages, amusement park rides, revolving restaurants, and display platforms in trade shows or exhibitions.

These are just a few examples of the diverse range of products and machinery that commonly utilize slewing rings. Their ability to provide rotational support, precise motion control, and load-bearing capabilities makes them indispensable components in numerous industries, including construction, material handling, energy, transportation, robotics, and entertainment.

Can you explain the impact of slewing rings on the overall efficiency of rotating systems?

Slewing rings play a crucial role in the overall efficiency of rotating systems. Their design, performance, and proper functioning significantly impact the efficiency, performance, and reliability of various rotating systems. Here’s a detailed explanation of the impact of slewing rings on the overall efficiency of rotating systems:

  • Rotational Movement: Slewing rings enable smooth and controlled rotational movement in rotating systems. They support the rotation of components such as booms, arms, platforms, or structures with minimal friction and resistance. By minimizing energy losses due to friction, slewing rings contribute to the overall efficiency of the system.
  • Precision and Accuracy: Slewing rings provide precise and accurate motion control in rotating systems. They ensure smooth and controlled rotation, allowing for precise positioning, alignment, or tracking of components. The ability to achieve precise movements reduces the need for corrective actions and enhances the overall efficiency and productivity of the system.
  • Load-Bearing Capacity: Slewing rings are designed to handle significant loads in rotating systems. They provide robust load-bearing capabilities, distributing the load evenly and minimizing stress concentrations. By efficiently carrying and transferring loads, slewing rings optimize the system’s load capacity and prevent premature wear or failure of components.
  • Reduction of Friction and Wear: Properly lubricated and maintained slewing rings help reduce friction and wear in rotating systems. They minimize the energy losses associated with friction, resulting in improved efficiency. Reduced friction also decreases the wear and tear on the components, prolonging their lifespan and reducing the need for frequent repairs or replacements.
  • Stability and Safety: Slewing rings provide stability and safety to rotating systems. They ensure the smooth and stable rotation of components, minimizing vibrations, wobbling, or unintended movements. This stability not only enhances the system’s efficiency but also improves the safety of operations, reducing the risk of accidents or damage to the equipment and surrounding environment.
  • Impact on Power Transmission: Slewing rings are often integrated with power transmission systems in rotating systems. They efficiently transmit power from the drive source to the rotating components, ensuring the effective transfer of torque and rotational force. By optimizing power transmission, slewing rings contribute to the overall efficiency and performance of the system.
  • System Integration and Versatility: Slewing rings are designed to integrate seamlessly into various rotating systems. They can be customized to meet specific requirements, such as size, load capacity, or environmental conditions. The versatility of slewing rings allows for their efficient integration into different applications, enhancing the overall efficiency and adaptability of the rotating systems.

In summary, slewing rings have a significant impact on the overall efficiency of rotating systems. Their contribution to smooth rotational movement, precision, load-bearing capacity, reduction of friction and wear, stability, power transmission, system integration, and versatility all play a vital role in maximizing the efficiency, performance, and reliability of various rotating systems in industries such as construction, material handling, energy, transportation, and manufacturing.

China Standard High Quality 42CrMo4 Slewing Ring Bearing Slewing Gear 01-3031-00  China Standard High Quality 42CrMo4 Slewing Ring Bearing Slewing Gear 01-3031-00
editor by Dream 2024-05-13

China high quality OEM Turntable Bearing 10-20 0411/0-02013 Slewing Ring for Ladle Turret

Product Description

OEM Turntable Bearing 10-20 571/0-57113 Slewing Ring For Ladle Turret

Four-point contact ball slewing turntable bearings 
consist of 2 ring seats. Compact structure, light weight, steel ball and arc track contact at 4 points, can bear axial force, radial force and overturning moment at the same time, has strong dynamic load.

 

No Non gear Dimensions Mounting Dimensions Structural Dimensions Weight
(kg)
DL
mm
D
mm
d
mm
H
mm
D1
mm
D2
mm
n mm dm
mm
L
mm
n1
mm
D3
mm
d1
mm
H1
mm
h
mm
1 571.20.200 280 120 60 248 152 12 16 M14 28 2 201 199 50 10 17
2 571.20.224 304 144 60 272 176 12 16 M14 28 2 225 223 50 10 20
3 571.20.250 330 170 60 298 202 18 16 M14 28 2 251 249 50 10 22
4 571.20.280 360 200 60 328 232 18 16 M14 28 2 281 279 50 10 24
5 571.25.315 408 222 70 372 258 20 18 M16 32 2 316 314 60 10 37
6 571.25.355 448 262 70 412 298 20 18 M16 32 2 356 354 60 10 45
7 571.25.400 493 307 70 457 343 20 18 M16 32 2 401 399 60 10 50
8 571.25.450 543 357 70 507 393 20 18 M16 32 2 451 449 60 10 55
9 571.30.500 602 398 80 566 434 20 18 M16 32 4 501 498 70 10 85
9Y 571.25.500 602 398 80 566 434 20 18 M16 32 4 501 499 70 10 85
10 571.30.560 662 458 80 626 494 20 18 M16 32 4 561 558 70 10 95
10Y 571.25.560 662 458 80 626 494 20 18 M16 32 4 561 559 70 10 95
11 571.30.630 732 528 80 696 564 24 18 M16 32 4 631 628 70 10 110
11Y 571.25.630 732 528 80 696 564 24 18 M16 32 4 631 629 70 10 110
12 571.30.710 812 608 80 776 644 24 18 M16 32 4 711 708 70 10 120
12Y 571.25.710 812 608 80 776 644 24 18 M16 32 4 711 709 70 10 120
13 571.40.800 922 678 100 878 722 30 22 M20 40 6 801 798 90 10 220
13Y 571.30.800 922 678 100 878 722 30 22 M20 40 6 801 798 90 10 220
14 571.40.900 1571 778 100 978 822 30 22 M20 40 6 901 898 90 10 240
14Y 571.30.900 1571 778 100 978 822 30 22 M20 40 6 901 898 90 10 240
15 571.40.1000 1122 878 100 1078 922 36 22 M20 40 6 1001 998 90 10 270
15Y 571.30.1000 1122 878 100 1078 922 36 22 M20 40 6 1001 998 90 10 270
16 571.40.1120 1242 998 100 1198 1042 36 22 M20 40 6 1121 1118 90 10 300
16Y 571.30.1120 1242 998 100 1198 1042 36 22 M20 40 6 1121 1118 90 10 300
17 571.45.1250 1390 1110 110 1337 1163 40 26 M24 48 5 1252 1248 100 10 420
17Y 571.35.1250 1390 1110 110 1337 1163 40 26 M24 48 5 1251 1248 100 10 420
18 571.45.1400 1540 1260 110 1487 1313 40 26 M24 48 5 1402 1398 100 10 480
18Y 571.35.1400 1540 1260 110 1487 1313 40 26 M24 48 5 1401 1398 100 10 480
19 571.45.1600 1740 1460 110 1687 1513 45 26 M24 48 5 1602 1598 100 10 550
19Y 571.35.1600 1740 1460 110 1687 1513 45 26 M24 48 5 1601 1598 100 10 550
20 571.45.1800 1940 1660 110 1887 1713 45 26 M24 48 5 1802 1798 100 10 610
20Y 571.35.1800 1940 1660 110 1887 1713 45 26 M24 48 5 1801 1798 100 10 610
21 571.60.2000 2178 1825 144 2110 1891 48 33 M30 60 8 2002 1998 132 12 1100
21Y 571.40.2000 2178 1825 144 2110 1891 48 33 M30 60 8 2001 1998 132 12 1100
22 571.60.2240 2418 2065 144 2350 2131 48 33 M30 60 8 2242 2238 132 12 1250
22Y 571.40.2240 2418 2065 144 2350 2131 48 33 M30 60 8 2241 2238 132 12 1250
23 571.60.2500 2678 2325 144 2610 2391 56 33 M30 60 8 2502 2498 132 12 1400
23Y 571.40.2500 2678 2325 144 2610 2391 56 33 M30 60 8 2501 2498 132 12 1400
24 571.60.2800 2978 2625 144 2910 2691 56 33 M30 60 8 2802 2798 132 12 1600
24Y 571.40.2800 2978 2625 144 2910 2691 56 33 M30 60 8 2802 2798 132 12 1600
25 571.75.3150 3376 2922 174 3286 3014 56 45 M42 84 8 3152 3147 162 12 2800
25Y 571.50.3150 3376 2922 174 3286 3014 56 45 M42 84 8 3152 3147 162 12 2800

o External gear
DL
mm
Dimensions Mounting Dimensions Structural Dimension Gear data Gear circumferential force weight
kg
D
mm
d
mm
H
mm
D1
mm
D2
mm
n mm dm
mm
L
mm
n1
mm
D3
mm
d1
mm
H1
mm
h
mm
b
mm
x M
mm
De
mm
z Normalizing
Z104N
Quenching
T104N
1 011.20.200 280 120 60 248 152 12 16 M14 28 2 201 199 50 10 40 0 3 300 98     20
2 011.20.224 304 144 60 272 176 12 16 M14 28 2 225 223 50 10 40 0 3 321 105     22
3 011.20.250 330 170 60 298 202 18 16 M14 28 2 251 249 50 10 40 0 4 352 86     24
4 011.20.280 360 200 60 328 232 18 16 M14 28 2 281 279 50 10 40 0 4 384 94     27
5 011.25.315 408 222 70 372 258 20 18 M16 32 2 316 314 60 10 50 0 5 435 85 2.9 4.4 40
6 011.25.355 448 262 70 412 298 20 18 M16 32 2 356 354 60 10 50 0 5 475 93 2.9 4.4 45
7 011.25.400 493 307 70 457 343 20 18 M16 32 2 401 399 60 10 50 0 6 528 86 3.5 5.3 55
8 011.25.450 543 357 70 507 393 20 18 M16 32 2 451 449 60 10 50 0 6 576 94 3.5 5.3 63
9 011.30.500 602 398 80 566 434 20 18 M16 32 4 501 498 70 10 60 0.5 5 629 123 3.7 5.2 85
012.30.500 6 628.8 102 4.5 6.2
9Y 011.25.500 602 398 80 566 434 20 18 M16 32 4 501 499 70 10 60 0.5 5 629 123 3.7 5.2 85
012.25.500 6 628.8 102 4.5 6.2
10 011.30.560 662 458 80 626 494 20 18 M16 32 4 561 558 70 10 60 0.5 5 689 135 3.7 5.2 95
012.30.560 6 688.8 112 4.5 6.2
10Y 011.25.560 662 458 80 626 494 20 18 M16 32 4 561 559 70 10 60 0.5 5 689 135 3.7 5.2 95
012.25. 560 6 688.8 112 4.5 6.2
11 011.30.630 732 528 80 696 564 24 18 M16 32 4 631 628 70 10 60 0.5 6 772.8 126 4.5 6.2 110
012.30.630 8 774.4 94 6 8.3
11Y 011.25.630 732 528 80 696 564 24 18 M16 32 4 631 629 70 10 60 0.5 6 772.8 126 4.5 6.2 110
012.25.630 8 774.4 94 6 8.2
12 011.30.710 812 608 80 776 644 24 18 M16 32 4 711 708 70 10 60 0.5 6 850.8 139 4.5 6.2 120
012.30.710 8 854.4 104 6 8.3
12Y 011.25.710 812 608 80 776 644 24 18 M16 32 4 711 709 70 10 60 0.5 6 850.8 139 4.5 6.2 120
012.25.710 8 854.4 104 6 8.9
13 011.40.800 922 678 100 878 722 30 22 M20 40 6 801 798 90 10 80 0.5 8 966.4 118 8 11.1 220
012.40.800 10 968 94 10 14
13Y 011.30.800 922 678 100 878 722 30 22 M20 40 6 801 798 90 10 80 0.5 8 966.4 118 8 11.1 220
012.30.800 10 968 94 10 14.1
14 011.40.900 1571 778 100 978 822 30 22 M20 40 6 901 898 90 10 80 0.5 8 1062.4 130 8 11.1 240
012.40.900 10 1068 104 10 14
14Y 011.30.900 1571 778 100 978 822 30 22 M20 40 6 901 898 90 10 80 0.5 8 1062.4 130 8 11.1 240
012.30.900 10 1068 104 10 14
15 011.40.1000 1122 878 100 1078 922 36 22 M20 40 6 1001 998 90 10 80 0.5 10 1188 116 10 14 270
012.40.1000 12 1185.6 96 12 16.7
15Y 011.30.1000 1122 878 100 1078 922 36 22 M20 40 6 1001 998 90 10 80 0.5 10 1188 116 10 14 270
012.30.1000 12 1185.6 96 12 16.7
16 011.40.1120 1242 998 100 1198 1042 36 22 M20 40 6 1121 1118 90 10 80 0.5 10 1298 127 10 14 300
012.40.1120 12 1305.6 106 12 16.7
16Y 011.30.1120 1242 998 100 1198 1042 36 22 M20 40 6 1121 1118 90 10 80 0.5 10 1298 127 10 14 300
012.30.1120 12 1305.6 106 12 16.7
17 011.45.1250 1390 1110 110 1337 1163 40 26 M24 48 5 1252 1248 100 10 90 0.5 12 1449.6 118 13.5 18.8 420
012.45.1250 14 1453.2 101 15.8 21.9
17Y 011.35.1250 1390 1110 110 1337 1163 40 26 M24 48 5 1251 1248 100 10 90 0.5 12 1449.6 118 13.5 18.8 420
012.35.1250 14 1453.2 101 15.8 21.9
18 011.45.1400 1540 1260 110 1487 1313 40 26 M24 48 5 1402 1398 100 10 90 0.5 12 1605.6 131 13.5 18.8 480
012.45.1400 14 1607.2 112 15.5 21.9
18Y 011.35.1400 1540 1260 110 1487 1313 40 26 M24 48 5 1401 1398 100 10 90 0.5 12 1605.6 131 13.5 18.8 480
012.35.1400 14 1607.2 112 15.8 21.9
19 011.45.1600 1740 1460 110 1687 1513 45 26 M24 48 5 1602 1598 100 10 90 0.5 14 1817.2 127 15.8 21.9 550
012.45.1600 16 1820.8 111 18.1 25
19Y 011.35.1600 1740 1460 110 1687 1513 45 26 M24 48 5 1601 1598 100 10 90 0.5 14 1817.2 127 15.8 21.9 550
012.35.1600 16 1820.8 111 18.1 25
20 011.45.1800 1940 1660 110 1887 1713 45 26 M24 48 5 1802 1798 100 10 90 0.5 14 2013.2 141 15.8 21.9 610
012.45.1800 16 2012.8 123 18.1 25
20Y 011.35.1800 1940 1660 110 1887 1713 45 26 M24 48 5 1801 1798 100 10 90 0.5 14 2013.2 141 15.8 21.9 610
012.35.1800 16 2012.8 123 18.1 25
21 011.60.2000 2178 1825 144 2110 1891 48 33 M30 60 8 2002 1998 132 12 120 0.5 16 2268.8 139 24.1 33.3 1100
012.60.2000 18 2264.4 123 27.1 37.5
21Y 011.40.2000 2178 1825 144 2110 1891 48 33 M30 60 8 2001 1998 132 12 120 0.5 16 2268.8 139 24.1 33.3 1100
012.40.2000 18 2264.4 123 27.1 37.5
22 011.60.2240 2418 2065 144 2350 2131 48 33 M30 60 8 2242 2238 132 12 120 0.5 16 2492.8 153 24.1 33.3 1250
012.60.2240 18 2498.4 136 27.1 37.5
22Y 011.40.2240 2418 2065 144 2350 2131 48 33 M30 60 8 2241 2238 132 12 120 0.5 16 2492.8 153 24.1 33.3 1250
012.40.2240 18 2498.4 136 27.1 37.5
23 011.60.2500 2678 2325 144 2610 2391 56 33 M30 60 8 2502 2498 132 12 120 0.5 18 2768.4 151 27.1 37.5 1400
012.60.2500 20 2776 136 30.1 41.8
23Y 011.40.2500 2678 2325 144 2610 2391 56 33 M30 60 8 2501 2498 132 12 120 0.5 18 2768.4 151 27.1 37.5 1400
012.40.2500 20 2776 136 30.1 41.8
24 011.60.2800 2978 2625 144 2910 2691 56 33 M30 60 8 2802 2798 132 12 120 0.5 18 3074.4 168 27.1 37.5 1600
012.60.2800 20 3076 151 30.1 41.8
24Y 011.40.2800 2978 2625 144 2910 2691 56 33 M30 60 8 2802 2798 132 12 120 0.5 18 3074.4 168 27.1 37.5 1600
012.40.2800 20 3076 151 30.1 41.8
25 011.75.3150 3376 2922 174 3286 3014 56 45 M42 84 8 3152 3147 162 12 150 0.5 20 3476 171 37.7 52.2 2800
012.75.3150 22 3471.6 155 41.5 57.4
25Y 011.50.3150 3376 2922 174 3286 3014 56 45 M42 84 8 3152 3147 162 12 150 0.5 20 3476 171 37.7 52.2 2800
012.50.3150 22 3471.6 155 41.5 57.4

o Internal gear
DL
mm
Dimensions Mounting Dimensions Structural Dimension Gear data Gear circumferential force Weight
(kg)
D
mm
d
mm
H
mm
D 1
mm
D2
mm
n mm dm
mm
L
mm
n1
mm
D3
mm
d1
mm
H1
mm
h
mm
b
mm
x M
mm
De
mm
z Normalizing
Z104N
Quenching
T104N
1 013.25.315 408 222 70 372 258 20 18 M16 32 2 316 314 60 10 50 0 5 190 40 2.9 4.4 38
2 013.25.355 448 262 70 412 298 20 18 M16 32 2 356 354 60 10 50 0 5 235 49 2.9 4.4 43
3 013.25.400 493 307 70 457 343 20 18 M16 32 2 401 399 60 10 50 0 6 276 48 3.5 5.3 53
4 013.25.450 543 357 70 507 393 20 18 M16 32 2 451 449 60 10 50 0 6 324 56 3.5 5.3 61
5 013.30.500 602 398 80 566 434 20 18 M16 32 4 501 498 70 10 60 0.5 5 367 74 3.7 5.2 85
014.30.500 6 368.4 62 4.5 6.2
5Y 013.25.500 602 398 80 566 434 20 18 M16 32 4 501 499 70 10 60 0.5 5 367 74 3.7 5.2 85
014.25.500 6 368.4 62 4.5 6.2
6 013.30.560 662 458 80 626 494 20 18 M16 32 4 561 558 70 10 60 0.5 5 427 86 3.7 5.2 95
014.30.560 6 428.4 72 4.5 6.2
6Y 013.25.560 662 458 80 626 494 20 18 M16 32 4 561 559 70 10 60 0.5 5 427 86 3.7 5.2 95
014.25.560 6 428.4 72 4.5 6.2
7 013.30.630 732 528 80 696 564 24 18 M16 32 4 631 628 70 10 60 0.5 6 494.4 83 4.5 6.2 110
014.30.630 8 491.2 62 6 8.3
7Y 013.25.630 732 528 80 696 564 24 18 M16 32 4 631 629 70 10 60 0.5 6 494.4 83 4.5 6.2 110
014.25.630 8 491.2 62 6 8.2
8 013.30.710 812 608 80 776 644 24 18 M16 32 4 711 708 70 10 60 0.5 6 572.4 96 4.5 6.2 120
014.30.710 8 571.2 72 6 8.3
8Y 013.25.710 812 608 80 776 644 24 18 M16 32 4 711 709 70 10 60 0.5 6 572.4 96 4.5 6.2 120
014.25.710 8 571.2 72 6 8.9
9 013.40.800 922 678 100 878 722 30 22 M20 40 6 801 798 90 10 80 0.5 8 635.2 80 8 11.1 220
014.40.800 10 634 64 10 14
9Y 013.30.800 922 678 100 878 722 30 22 M20 40 6 801 798 90 10 80 0.5 8 635.2 80 8 11.1 220
014.30.800 10 634 64 10 14.1
10 013.40.900 1571 778 100 978 822 30 22 M20 40 6 901 898 90 10 80 0.5 8 739.2 93 8 11.1 240
014.40.900 10 734 74 10 14
10Y 013.30.900 1571 778 100 978 822 30 22 M20 40 6 901 898 90 10 80 0.5 8 739.2 93 8 11.1 240
014.30.900 10 734 74 10 14
11 013.40.1000 1122 878 100 1078 922 36 22 M20 40 6 1001 998 90 10 80 0.5 10 824 83 10 14 270
014.40.1000 12 820.8 69 12 16.7
11Y 013.30.1000 1122 878 100 1078 922 36 22 M20 40 6 1001 998 90 10 80 0.5 10 824 83 10 14 270
014.30.1000 12 820.8 69 12 16.7
12 013.40.1120 1242 998 100 1198 1042 36 22 M20 40 6 1121 1118 90 10 80 0.5 10 944 95 10 14 300
014.40.1120 12 940.8 79 12 16.7
12Y 013.30.1120 1242 998 100 1198 1042 36 22 M20 40 6 1121 1118 90 10 80 0.5 10 944 95 10 14 300
014.30.1120 12 940.8 79 12 16.7
13 013.45.1250 1390 1110 110 1337 1163 40 26 M24 48 5 1252 1248 100 10 90 0.5 12 1049 88 13.5 18.8 420
014.45.1250 14 1042 75 15.8 21.9
13Y 013.35.1250 1390 1110 110 1337 1163 40 26 M24 48 5 1251 1248 100 10 90 0.5 12 1049 88 13.5 18.8 420
014.35.1250 14 1042 75 15.8 21.9
14 013.45.1400 1540 1260 110 1487 1313 40 26 M24 48 5 1402 1398 100 10 90 0.5 12 1193 100 13.5 18.8 480
014.45.1400 14 1196 86 15.5 21.9
14Y 013.35.1400 1540 1260 110 1487 1313 40 26 M24 48 5 1401 1398 100 10 90 0.5 12 1193 100 13.5 18.8 480
014.35.1400 14 1196 86 15.8 21.9
15 013.45.1600 1740 1460 110 1687 1513 45 26 M24 48 5 1602 1598 100 10 90 0.5 14 1392 100 15.8 21.9 550
014.45.1600 16 1382 87 18.1 25
15Y 013.35.1600 1740 1460 110 1687 1513 45 26 M24 48 5 1601 1598 100 10 90 0.5 14 1392 100 15.8 21.9 550
014.35.1600 16 1382 87 18.1 25
16 013.45.1800 1940 1660 110 1887 1713 45 26 M24 48 5 1802 1798 100 10 90 0.5 14 1574 113 15.8 21.9 610
014.45.1800 16 1574 99 18.1 25
16Y 013.35.1800 1940 1660 110 1887 1713 45 26 M24 48 5 1801 1798 100 10 90 0.5 14 1574 113 15.8 21.9 610
014.35.1800 16 1574 99 18.1 25
17 013.60.2000 2178 1825 144 2110 1891 48 33 M30 60 8 2002 1998 132 12 120 0.5 16 1734 109 24.1 33.3 1100
014.60.2000 18 1735 97 27.1 37.5
17Y 013.40.2000 2178 1825 144 2110 1891 48 33 M30 60 8 2001 1998 132 12 120 0.5 16 1734 109 24.1 33.3 1100
014.40.2000 18 1735 97 27.1 37.5
18 013.60.2240 2418 2065 144 2350 2131 48 33 M30 60 8 2242 2238 132 12 120 0.5 16 1990 125 24.1 33.3 1250
014.60.2240 18 1987 111 27.1 37.5
18Y 013.40.2240 2418 2065 144 2350 2131 48 33 M30 60 8 2241 2238 132 12 120 0.5 16 1990 125 24.1 33.3 1250
014.40.2240 18 1987 111 27.1 37.5
19 013.60.2500 2678 2325 144 2610 2391 56 33 M30 60 8 2502 2498 132 12 120 0.5 18 2239 125 27.1 37.5 1400
014.60.2500 20 2228 112 30.1 41.8
19Y 013.40.2500 2678 2325 144 2610 2391 56 33 M30 60 8 2501 2498 132 12 120 0.5 18 2239 125 27.1 37.5 1400
014.40.2500 20 2228 112 30.1 41.8
20 013.60.2800 2978 2625 144 2910 2691 56 33 M30 60 8 2802 2798 132 12 120 0.5 18 2527 141 27.1 37.5 1600
014.60.2800 20 2528 127 30.1 41.8
20Y 013.40.2800 2978 2625 144 2910 2691 56 33 M30 60 8 2802 2798 132 12 120 0.5 18 2527 141 27.1 37.5 1600
014.40.2800 20 2528 127 30.1 41.8
21 013.75.3150 3376 2922 174 3286 3014 56 45 M42 84 8 3152 3147 162 12 150 0.5 20 2828 142 37.7 52.2 2800
014.75.3150 22 2825 129 41.5 57.4
21Y 013.50.3150 3376 2922 174 3286 3014 56 45 M42 84 8 3152 3147 162 12 150 0.5 20 2828 142 37.7 52.2 2800
014.50.3150 22 2825 129 41.5 57.4

 

Single row cross roller slewing bearing
Composed of 2 or 3 rings. compact structure, light weight, high manufacturing accuracy, small assembly gap and high requirement for installation accuracy. Rollers are 1:1 cross-arranged.
Can be bear axial force, overturning moment and large radial force at the same time,and widely used in lifting transportation, construction machinery and precesion products.

Double row ball slewing bearings
This kind of bearings can support high static loads with simple structures. They are mainly used in situations with variation load position and direction and continuously rotating. Main applications of this kind of bearings are deck hoisting, mining and material handling etc

 
Three row roller slewing bearing
Three row roller bearing able to bear all kinds of loads at the same time, it is the largest 1 of the 4 structural products with large axle and radial dimensions and firm structure. Especially suitable for heavy machinery requiring larger diameter, such as bucket wheel stacker and reclaimer, wheel crane, marine crane, port crane, ladle turret,large tonnage truck crane,heavy machinery and so on.
 

Type • Single row 4 point contact ball slewing bearing 
• Single row crossed cylindrical roller slewing bearings
• Double row ball slewing bearings
•Double row Roller/ball combination slewing bearing
•Three-Row Roller Slew Ring Bearing
Rolling elements Steel ball / Cylinder Roller
Rolling elements Material GCr5/GCr15SiMn/Customized
Bearing Material 50Mn/42CrMo/42CrMo4V /Customized
Cage Material Nylon/ steel /copper
Structure taper pin , Mounting holes,Inner ring ,grease fitting,load plug, seals , roller ,spacer balls or separators
Outer diameter 50-10000mm
Bore size 50-10000mm
Mounting hole Through hole/Tapped hole
Raceway hardness 55-62HRC
Inner and outer ring 
modulation hardness
229-269HB/Customized
Gear type No gear ,Internal gear , External gear.
Embellish grease EP2 lithium lubricating grease
Certificate ABS.BV,DNV,ISO9001,GL,3.1,3.2
Application area Ladle turret,Stacker crane,Bucket wheel machine,Solar heliostat Tracking System,port crane, Cabling machine,tower crane , offshore platform,ferris wheel, Palletizing robot,Rotary metallurgical furnace,can packing machine,Wind blade transporter,shield tunneling machine,tube push bench,excavator
Brand Name LYMC
Place of Origin HangZhou ZheJiang
Warranty 12 months
Payment term T/T is our first choice

Packing details

1,Filling with anti-rust oil
2.Corved with Plastic paper
3.Corved with kraft paper 
4.Corved with Blue tie 
5.Put in wooden box

 


Product Process

 

SLEWING BEARING RINGS

Rings are mainly made of 50Mn carbon steel or alloy steels such as 42CrMo4 and the choice of material depends on the required mechanical properties. Alloy steels are often used for heavy-duty applications. Their structural characteristics mean that heat treatments are more effective and greater surface hardness can be obtained than with carbon steels. Stainless steels such as AISI420 or AISI440C can be used for applications where corrosion resistance is required.

RACEWAYS

The raceways are heat-treated by induction in order to achieve a maximum surface hardness of 62 HRC for carbon or alloy steels, or 58 HRC for stainless steels. The hardening depth can vary depending on the type of steel. Hardening treatment is essential to allow the slewing coupling to support the heavy-duty loads it is exposed to in its intended application.

ROTATING ELEMENTS

The rotating elements used in slewing bearings may be balls or cylindrical rollers; both are typically made of 100Cr6 steel but other materials such as ceramic (zirconium oxide ZrO2 or silicon nitride Si3N4) or stainless steel (AISI440C) can be used. Rolling elements with different materials, sizes and precision grades are selected depending on the desired results.

CAGES OR SPACERS

Slewing bearing clearance plays a crucial role and is defined and optimised according to the application and performance to be achieved.
Cages or spacers made of different materials can be used to separate rolling elements, balls or rollers, depending on the loads and speeds required by the specific application.

PROTECTIONS

Special sliding seals are fitted between the inner and outer ring to protect the slewing bearing against the ingress of debris, dust or water particles that could affect its operation. The material used for seals is typically NBR rubber, but different materials can be chosen for specific applications.

LUBRICANT

The lubricant is another very important factor to ensure effective operation of the base bearing. The type of lubricant, quantity, quality, lubrication intervals, number and position of greasing points are determined according to the performance required of the slewing bearing and any specific customer requirements.

GEARED RINGS

Slewing bearing rings can be spur-gear or, more rarely, helical-gear. The gear module is sized and selected according to the application requirements.
Typically, the gearing is soft, i.e. untreated – the maximum hardness of untreated gears is 30 HRC for 42CrMo4. When service conditions require it, the gear surface can be induction-hardened to achieve a surface hardness of 60 HRC. Gear hardening is required when at least 1 of the following variables must be satisfied:

  • high rolling torque
  •  
  • high rotating speed
  •  
  • unfavourable environmental conditions, presence of CHINAMFG elements
  •  
  • maximum tooth lifetime

The experience gained by CHINAMFG Bearing allows us to design slewing bearings to specific customer needs. You can get the right product for your machines or systems without having to compromise with an off-the-shelf product.

Customer Feedback:

1

2

3

Application:

– Excavators – Drilling rigs – Mining Equipments – Cranes   -Offshore Equipments  – Vehicles  – Machine Tools  – Wind Turbines

About Us:
HangZhou MC Bearing Technology Co.,Ltd (LYMC),who is manufacture located in bearing zone, focus on Slewing bearing, cross roller bearing and pinion,Dia from 50mm-8000mm, Our team with technical and full experience in the bearing industry.
*Professional in researching, developing, producing & marketing high precision bearings for 16 years;
*Many series bearings are on stock; Factory directly provide, most competitive price;
*Advanced CNC equipment, guarantee product accuracy & stability;
*One stop purchasing, product include cross roller bearing, rotary table bearing, robotic bearing, slewing bearing, angular contact ball bearing, large and extra large custom made bearing, diameter from 50~9000mm;
*Excellent pre-sale & after sale service. We can go to customers’ project site if needed.
*Professional technical & exporting team ensure excellent product design, quotation, delivering, documentation & custom clearance.

Our Service:

FAQ:
1.Q: Are you trading company or manufacturer ?
A: We are professional slewing bearing manufacturer with 20 years’ experience.
2.Q: How long is your delivery time?
A: Generally it is 4-5 days if the goods are in stock. or it is 45 days if the goods are not in
stock, Also it is according to quantity.
3.Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample, it is extra.
4.Q: What is your terms of payment ?
A: Payment=1000USD, 30% T/T in advance, balance before shipment.
5.Q: Can you provide special customization according to the working conditions?
A: Sure, we can design and produce the slewing bearings for different working conditions.
6.Q: How about your guarantee?
A: We provide lifelong after-sales technical service. 

 

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Standard or Nonstandard: Standard
Feature: High Speed, Cold-Resistant, Corrosion-Resistant, Heat-Resistant
Sealing Gland: Sealed On Both Sides
Rolling-Element Number: Single-Row
Roller Type: Straight Raceway
Material: 50mn/42CrMo
Customization:
Available

|

Can you describe the factors to consider when selecting slewing rings for specific applications?

When selecting slewing rings for specific applications, several factors need to be considered to ensure optimal performance and reliability. Here’s a detailed description of the factors to consider:

  • Load Requirements: The load capacity of the slewing ring should match the anticipated loads in the application. Consider both the maximum static load (weight of the structure or equipment) and dynamic load (forces during operation). It is crucial to analyze the load distribution, including axial, radial, and moment loads, and select a slewing ring with sufficient load-carrying capacity to handle these loads.
  • Space Limitations: Evaluate the available space for the installation of the slewing ring. Consider the diameter, height, and width of the slewing ring to ensure it fits within the space constraints of the application. It is essential to consider both the external dimensions of the slewing ring and the required clearance for rotation.
  • Rotational Speed: Determine the required rotational speed of the slewing ring. Consider the application’s operating speed and any specific speed limitations. The slewing ring should be selected to accommodate the rotational speed requirements while maintaining smooth and efficient operation.
  • Environmental Conditions: Evaluate the operating environment of the application. Factors such as temperature, humidity, dust, water exposure, chemicals, and corrosive elements should be considered. Choose a slewing ring with appropriate sealing systems, corrosion-resistant materials, and lubrication options to withstand the specific environmental conditions.
  • Accuracy and Positioning: Some applications require precise positioning and rotational accuracy. Determine the required level of accuracy and select a slewing ring that provides the necessary precision. Factors such as gear mechanism, backlash control, and manufacturing tolerances contribute to the accuracy of the slewing ring.
  • Operating Conditions: Consider the overall operating conditions of the application, including factors such as shock and vibration levels, duty cycle, continuous or intermittent operation, and expected service life. The slewing ring should be designed to withstand the anticipated operating conditions and provide reliable performance over the desired lifespan.
  • Integration and Compatibility: Assess the integration requirements of the slewing ring with the rest of the system or equipment. Consider factors such as mounting interfaces, connection points, gear compatibility, and the need for additional components such as drive systems or bearings. Ensure that the selected slewing ring is compatible with the existing or planned system components.
  • Industry Standards and Regulations: Depending on the application, specific industry standards and regulations may apply. Consider any applicable standards, such as ISO specifications or industry-specific guidelines, to ensure compliance and safety in the selection of the slewing ring.

By carefully analyzing these factors and selecting a slewing ring that meets the specific requirements of the application, one can ensure optimal performance, longevity, and reliability of the slewing ring in its intended use.

What maintenance practices are recommended for slewing rings to ensure optimal functionality?

Proper maintenance is essential to ensure the optimal functionality and longevity of slewing rings. Regular maintenance practices help prevent premature wear, minimize downtime, and ensure reliable performance. Here are some recommended maintenance practices for slewing rings:

  • Cleaning: Regularly clean the slewing rings to remove dirt, debris, and contaminants that can cause abrasion and affect the smooth operation of the rolling elements. Use appropriate cleaning agents and methods as recommended by the manufacturer.
  • Lubrication: Adequate lubrication is crucial for the smooth operation and reduced friction of slewing rings. Follow the manufacturer’s recommendations for the type of lubricant, the frequency of lubrication, and the quantity to be applied. Regularly inspect the lubrication system and replenish or replace the lubricant as needed.
  • Inspection: Periodically inspect the slewing rings for any signs of damage, wear, or misalignment. Check for abnormal noise, vibration, or irregularities in motion. Inspect the gear teeth, raceways, seals, and mounting interfaces. If any issues are identified, take appropriate action, such as repair or replacement, to prevent further damage.
  • Torque Checks: Regularly check the torque of the fasteners and bolts that secure the slewing rings. Ensure that they are tightened to the specified torque values. Loose fasteners can cause misalignment and compromise the performance and safety of the slewing rings.
  • Seal Inspection: Inspect the seals of the slewing rings to ensure they are intact and properly functioning. Damaged or worn seals can lead to contamination and loss of lubrication, resulting in increased friction and potential damage to the slewing rings. Replace any damaged seals promptly.
  • Alignment and Mounting: Proper alignment and mounting of slewing rings are critical for their optimal functionality. Ensure that the slewing rings are correctly aligned and securely mounted according to the manufacturer’s specifications. Misalignment or improper mounting can lead to increased stress, premature wear, and reduced performance.
  • Environmental Protection: Take measures to protect the slewing rings from harsh environmental conditions. Shield them from excessive moisture, dust, chemicals, and extreme temperatures whenever possible. Implement appropriate sealing systems and consider the use of protective covers or enclosures, especially in outdoor or exposed applications.
  • Training and Documentation: Provide appropriate training to personnel responsible for the maintenance of slewing rings. Ensure they are aware of the recommended maintenance practices and follow proper procedures. Keep comprehensive documentation of maintenance activities, including lubrication schedules, inspections, repairs, and replacements.

It is important to note that maintenance practices may vary depending on the specific application, environmental conditions, and manufacturer’s recommendations. Always refer to the manufacturer’s guidelines and consult with experts or maintenance professionals when necessary to ensure the most effective maintenance practices for your slewing rings.

Can you describe the factors to consider when selecting slewing rings for specific applications?

When selecting slewing rings for specific applications, several factors need to be considered to ensure optimal performance and reliability. Here’s a detailed description of the factors to consider:

  • Load Requirements: The load capacity of the slewing ring should match the anticipated loads in the application. Consider both the maximum static load (weight of the structure or equipment) and dynamic load (forces during operation). It is crucial to analyze the load distribution, including axial, radial, and moment loads, and select a slewing ring with sufficient load-carrying capacity to handle these loads.
  • Space Limitations: Evaluate the available space for the installation of the slewing ring. Consider the diameter, height, and width of the slewing ring to ensure it fits within the space constraints of the application. It is essential to consider both the external dimensions of the slewing ring and the required clearance for rotation.
  • Rotational Speed: Determine the required rotational speed of the slewing ring. Consider the application’s operating speed and any specific speed limitations. The slewing ring should be selected to accommodate the rotational speed requirements while maintaining smooth and efficient operation.
  • Environmental Conditions: Evaluate the operating environment of the application. Factors such as temperature, humidity, dust, water exposure, chemicals, and corrosive elements should be considered. Choose a slewing ring with appropriate sealing systems, corrosion-resistant materials, and lubrication options to withstand the specific environmental conditions.
  • Accuracy and Positioning: Some applications require precise positioning and rotational accuracy. Determine the required level of accuracy and select a slewing ring that provides the necessary precision. Factors such as gear mechanism, backlash control, and manufacturing tolerances contribute to the accuracy of the slewing ring.
  • Operating Conditions: Consider the overall operating conditions of the application, including factors such as shock and vibration levels, duty cycle, continuous or intermittent operation, and expected service life. The slewing ring should be designed to withstand the anticipated operating conditions and provide reliable performance over the desired lifespan.
  • Integration and Compatibility: Assess the integration requirements of the slewing ring with the rest of the system or equipment. Consider factors such as mounting interfaces, connection points, gear compatibility, and the need for additional components such as drive systems or bearings. Ensure that the selected slewing ring is compatible with the existing or planned system components.
  • Industry Standards and Regulations: Depending on the application, specific industry standards and regulations may apply. Consider any applicable standards, such as ISO specifications or industry-specific guidelines, to ensure compliance and safety in the selection of the slewing ring.

By carefully analyzing these factors and selecting a slewing ring that meets the specific requirements of the application, one can ensure optimal performance, longevity, and reliability of the slewing ring in its intended use.

China high quality OEM Turntable Bearing 10-20 0411/0-02013 Slewing Ring for Ladle Turret  China high quality OEM Turntable Bearing 10-20 0411/0-02013 Slewing Ring for Ladle Turret
editor by Dream 2024-05-10

China Best Sales High Quality 42CrMo4 Slewing Ring Bearing Slewing Gear 01-3031-00

Product Description


Production Description for Slewing Bearing, ring bearing, rolling bearings, turntables

Slewing Bearing 01-3031-00  for construction machinery, cranes
 

1 Type single row 4 point contact ball slewing bearing, ring bearing, slewing gear
2 Bore diameter 2914mm
3 Outside diameter 3198mm
4 Height 90mm
5 Material 42CrMo, 50Mn
6 Precision P0. P6. P5.
7 Cage/retainer Nylon or aluminum
8 Gear type External gear
9 N.W. 716KGS

 

External Diameter Internal Diameter Height  Weight  Module  Gear No. Model   *
244 125 25 5 2 120   STD 
318 169 45 14 3 104 STD 
379 210 45 20 4 92 STD 
403.5 234 55 25 4.5 88 STD 
440 265 50 28 4.5 95 STD 
505 304 56 32 5 99 SL
505 342 56 32 5 99 SLBP
529 323 54 45 5 103 STD 
535 305 75 61 8 65 STD 
589 383 75 62 5 116 STD 
640 434 56 44 6 105 SL
640 472 56 46 6 105 SLBP
654 390 85 98 8 80 STD 
689 455 74 89 6 112 STD 
700 479 77 85 6 114 STD 
742 534 56 52 6 122 SL
742 572 56 55 6 122 SLBP
774 516 82 118 8 94 STD 
816 573 90 129 6 132 STD 
840 634 56 60 6 138 SL
840 672 56 62 6 138 SLBP
863 679 82 102 6 142 STD 
886 610 85 155 8 108 STD 
950 734 56 68 8 117 SL
950 772 56 71 8 117 SLBP
979 717 100 178 10 94 STD 
1571 770 82 159 8 125 STD 
1046 834 56 76 8 129 21 0571 01 SL
1046 872 56 78 8 129 31 0571 01 SLBP
1094 833 82 179 8 134 STD 
1144 869 100 228 10 111 STD 
1198 984 56 86 8 148 SL
1198 1571 56 91 8 148 SLBP
1218 930 98 268 10 119 STD 
1289.5 984 114 330 10 125 STD 
1358 1045 98 325 10 133 STD 
1431 1200 63 176 8 177 STD 
1476 1084 110 503 10 144 STD 
1604 1206 130 653 10 157 STD 
1605 1270 110 469 12 131 STD 
1727 1500 63 213 8 214 STD
1836 1433 135 791 16 112 STD 
1929 1565 110 617 14 135 STD 
1975 1750 63 244 8 245 STD
2571 1615 150 1004 14 142 STD 
2140 1720 130 953 16 131 STD 
2165 1950 68 278 8 269 STD
2267 1815 140 1174 16 139 STD 
2342 2091 70 373 8 290 STD 
2390 1950 130 1111 18 130 STD 
2534 2042 144 1482 18 138 STD 
2695 2425 63 411 8 335 STD 
2790 2290 164 1895 18 151 STD 
3116 2600 164 2200 20 152 STD 
3200 2914 190 716 10 318 STD

Why choose CHINAMFG slewing bearings
A CHINAMFG in slewing bearing field, rich experience, can do design, produce, mounting guide
Small order accepted
ISO certified company
Variorum models
7*24hours hotline to help you with your cranes
Strict quality control system to ensure quality for slewing bearing

LYHY Slewing Bearing Types
LYHY slewing bearings can be divided into the following types as per  their structures:
single row 4 point contact ball slewing bearing,
single row cross roller slewing bearing,
double row different ball diameter slewing bearing,
three row cylindrical roller slewing bearing and roller/ball combination slewing bearing.
And all these types of slewing bearings can be further divided into bearings without gears, bearings with external gears and bearings with internal gears.

Detailed description of these types slewing bearings

Single row 4 point contact ball slewing bearings
     This kind of slewing bearings can support high dynamic loads, transmitting axial and radial forces simultaneously as well as the resulting tilting moments. Applications of this kind of bearings are hoisting, mechanical handling and general mechanical engineering etc.
Single row cross roller slewing bearings
     This kind of bearings can support combinations of large radial force, medium axial force and tilting moment with small or zero clearance. Main applications of this kind of bearings are hoisting and mechanical handling and general mechanical engineering etc.
Double row different ball diameter slewing bearings
     This kind of bearings can support high static loads with simple structures. They are mainly used in situations with variation load position and direction and continuously rotating. Main applications of this kind of bearings are deck hoisting, mining and material handling etc.
Triple row cylindrical roller slewing bearings
     This kind of bearings has high load carrying capacity. Under same loads, this kind of bearings has much smaller diameters which can make the installation much compact, as different kinds of loads are supported by different races and rollers. Main applications of this kind of bearings are hoisting, mechanical handling, mining and materials handling, offshore technology and general mechanical engineering etc.
Roller/ball combination slewing bearings
     This kind of bearings can support high axial load and low tilting moments. Usually they are large diameter slewing bearings. Applications of this kind of bearings are mining and materials handling etc.

About CHINAMFG bearings
1.introduction:we are a manufacturer of slewing bearing since 1993, our factory occupies a area of 30000square meters with 4 workshop and 1 office building. 
2. Featured products: slewing bearing and slewing drive
3. Capital: Current is 1 million RMB, but we are increasing the capital to 10 million RMB
4. Workers: 40
5. Certificate: ISO9001:2008, 3.1 certificate, CCS certificate, Science and Technology Progress Award
6. Annual Exportation: 8million USD
7. Exported countries: (39)
Asia: India, Pakistan, Iran, Signore, Georgia, Malaysia, Vietnam, Thailand, Philippines, Israel, Korea, UAE, Sri Lanka, Saudi Arabia,
Europe: Turkey, Russia, Spain, Czech Republic, Italy, Poland, Slovakia, Bosnia and Herzegovina, Austria, France, Germany, Switzerland, Finland, Ukraine, UK
America: USA, Canada, Mexico, Brazil, Puerto Rico, Peru, Chile
Africa: South Africa, Egypt
Oceania: Australia

Production Process of CHINAMFG slewing bearings

Quality Control Process of CHINAMFG slewing bearings

LYHY Slewing Bearing Packing 
Bearing surface is covered with the anti-rust oil first; and then wrapped with the plastic film;
And then packed with kraft paper and professional belts;
At last, with wooden box totally at the outer packing to invoid the rust or the moist;
We can depend on the customers  demand to be packed;

Slewing Ring Bearings——Applications:
Slewing ring bearings are widely used in industry and known as “the machine joints” Here under is the specific slewing bearing applications
1. Construction machinery (e.g. cranes, excavators, loader, scraper)
2. Metallurgical machinery (e.g. for steel plant)
3. Heavy machinery equipment (e.g. mining machinery, concrete machinery)
4. Marine machinery equipment (e.g. vessel, port hoisting machine, port oil transfer equipment, onshore and offshore crane)
5. Light machinery equipment (e.g. paper machine, plastic, rubber machine, weave machine)
6. Wind power generator
7. Packing machinery

Transportation:
All CHINAMFG slewing ring bearings can be usually delivered timely, usual production time is 15-50 days based on different slew bearings diameters, sometimes slew rings will be in stock.
Slewing bearings can be offered different delivery terms, such as EXW, FOB, CIF, DDU and so on.
Also, slewing rings can be transported by different transport ways, by express (such as DHL, TNT, UPS, FEDEX and so on), by air, by sea, by truck, by railway and so on.

INSTALLATION OF CHINAMFG SLEWING BEARINGS

Preparation:
Make sure that the model is correct and slewing bearing isn’t damaged during transportation.
2.  Check the appearance and rotational state of the bearing, such as rotational precision clearance, rotating flexibility, seals position, lubrication grease etc.
3.  The installation datum plane and bracket installing plane should be clean, grease, burr, paint and other foreign body should be wiped off.

Installation:

1. The screws in the installing plane should be fit with the mounting holes in the slewing bearing
2.  The slewing bearing has a soft zone marked with an “s” on the upper surface, when installing the bearing, it is important to ensure that this area is placed in a non-load or infrequent load zone.
3.  When the bearing is placed on the supporting frame work it is important to check the interface between these 2 surfaces. This check should be carried out with the insertion of feel gauges between the 2 surfaces. If a gap should exist then it is recommended to plane/resurface the effective area so as to remove the gap.
4.  Install slewing bearing with high strength screws, and choose appropriate strength bolts. All bolts are required to be tightened evenly. The sequence of this tightening process is shown in Pic. Welding of bearing is not allowed, in the event of welding any adjacent parts, heat transfer shall be avoided so as to cause the bearing to become deformed or change the hardness.
5.  After installation, the bearing should be rotated to check for smooth operation and any emission of unusual noise. If either of the aforementioned are noted, then the bearing should be adjusted to eliminate them. The teeth of the largest run-out are coated with green paint.

FAQ:

Q: Are LYHY BEARINGS trading company or manufacturer?
A: CHINAMFG BEARINGS is a professional manufacturer for slewing bearings, thin section bearings, ball bearings and rolling bearings

Q: How do LYHY BEARINGS control quality of their bearing?
A: LYHY BEARINGS has established strict quality control systems, all the products and services has passed ISO9001-2008 Quality Certificate and third party such as CCS, LR,ABS,BV

Q: What is the MOQ?
A: MOQ is 1pc, pls message us for detailed information.

Q: How about the package for CHINAMFG bearings?
A: Standard Industrial packing in general condition (Plastic tube+ professional plastic belts+ plywood case). Accept design package when OEM.

Q: How long is the production time?
A: It takes about 7-40 days, depends on the model and quantity.

Q: How about the shipping?
A: We can arrange the shipment or you may have your own forwarder.

Q: Is sample available?
A: Yes, sample order is acceptable.

Q: Can we use our own LOGO or design on bearings?
A: Yes. OEM is acceptable for LYHY BEARINGS. We can design as per your requirements and use your own LOGO and package design.
  /* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Standard or Nonstandard: Standard
Sealing Gland: Sealed On Both Sides
Rolling-Element Number: Single-Row
Roller Type: Four Point Contact Ball
Material: 50mn, 42CrMo
Type: External Gear
Samples:
US$ 5000/Piece
1 Piece(Min.Order)

|

Customization:
Available

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How does the choice of slewing rings affect the overall performance and reliability of rotating systems?

The choice of slewing rings has a significant impact on the overall performance and reliability of rotating systems. The selection of the appropriate slewing ring involves considering various factors such as load capacity, operating conditions, precision requirements, and application-specific needs. Here’s a detailed explanation of how the choice of slewing rings affects the overall performance and reliability of rotating systems:

  • Load Capacity: The load capacity of the slewing ring is a critical factor in determining the performance and reliability of the rotating system. Choosing a slewing ring with an adequate load capacity ensures that the system can handle the expected loads without excessive stress or deformation. If the selected slewing ring has insufficient load capacity for the application, it can lead to premature failure, increased wear, and compromised reliability.
  • Operating Conditions: The operating conditions, including factors such as temperature, humidity, dust, and exposure to corrosive substances, influence the choice of slewing rings. It is essential to select a slewing ring that is designed to withstand the specific environmental conditions of the application. Failure to consider the operating conditions can result in accelerated wear, corrosion, reduced performance, and decreased reliability of the rotating system.
  • Precision Requirements: Some applications require high precision and accuracy in the movement and positioning of the rotating system. The choice of slewing ring with appropriate precision is crucial to meet these requirements. Slewing rings designed for precision applications incorporate features such as high-precision raceways, gear teeth, or preloading mechanisms. Selecting a slewing ring with inadequate precision can lead to inaccuracies, positioning errors, and compromised performance of the rotating system.
  • Material Selection: The choice of materials for the slewing ring affects its durability, resistance to wear, and overall reliability. Different materials, such as carbon steel, stainless steel, or specialized alloys, have varying properties and performance characteristics. The selection of the appropriate material depends on factors such as load requirements, operating conditions, and the presence of corrosive or abrasive elements. Choosing the wrong material can result in premature wear, reduced lifespan, and compromised reliability of the rotating system.
  • Sealing and Lubrication: Slewing rings require proper sealing and lubrication to ensure smooth operation and prevent contamination or inadequate lubrication. The choice of slewing rings with effective sealing mechanisms and suitable lubrication requirements is crucial for maintaining performance and reliability. Inadequate sealing or improper lubrication can lead to increased friction, accelerated wear, and decreased reliability of the rotating system.
  • Manufacturer and Quality: The choice of a reputable manufacturer and high-quality slewing rings is essential for ensuring reliability and performance. Reliable manufacturers adhere to stringent quality control processes, use advanced manufacturing techniques, and provide comprehensive technical support. Choosing slewing rings from trusted manufacturers reduces the risk of premature failures, ensures consistent performance, and enhances the overall reliability of the rotating system.

In summary, the choice of slewing rings has a significant impact on the overall performance and reliability of rotating systems. Considering factors such as load capacity, operating conditions, precision requirements, material selection, sealing and lubrication, and the reputation of the manufacturer helps in selecting the appropriate slewing rings. By making the right choice, the rotating system can operate efficiently, withstand expected loads, maintain precision, and provide reliable performance throughout its lifespan.

How do slewing rings contribute to precise and controlled motion in machinery?

Slewing rings play a crucial role in enabling precise and controlled motion in machinery. Their design and functionality contribute to achieving accurate positioning, smooth rotation, and controlled movement. Here’s a detailed explanation of how slewing rings contribute to precise and controlled motion:

  • Precision Engineering: Slewing rings are meticulously engineered to provide high precision in motion control. The manufacturing processes involve tight tolerances and precise machining to ensure accurate dimensions and alignment of the rolling elements and raceways. This precision engineering minimizes any deviations or errors in motion, allowing for precise positioning and controlled movement.
  • Low Friction and Smooth Rotation: Slewing rings are designed to minimize friction and enable smooth rotation. The rolling elements, whether balls or rollers, are precisely positioned and guided within the raceways of the slewing ring. This design ensures that the rolling elements make contact with the raceways at specific angles, reducing friction during rotation. The low-friction characteristics allow for smooth and controlled motion, enabling precise positioning without undue resistance or jerky movements.
  • Integrated Gear Mechanism: Many slewing rings are equipped with an integrated gear mechanism. The gear teeth on the inner or outer ring of the slewing ring engage with external gears or pinions, providing a means to transmit torque and control rotational motion. The gear mechanism allows for precise and controlled movement, enabling operators or automated systems to achieve accurate positioning and controlled rotation at desired speeds.
  • Backlash Control: Backlash refers to the slight play or clearance between mating gears or components. Slewing rings are designed to minimize backlash, particularly in applications that require precise motion control. By reducing or eliminating backlash, slewing rings ensure that there is minimal lost motion or error when initiating rotational movement or changing direction. This feature contributes to improved accuracy and controlled motion.
  • Stiffness and Rigidity: Slewing rings are designed to provide high stiffness and rigidity, minimizing deflection or deformation during operation. This characteristic is especially important in applications where precise and controlled motion is required. The high stiffness of slewing rings ensures that the applied forces and torques are efficiently transmitted, allowing for accurate positioning and controlled motion without significant distortion or flexing.
  • Positioning Sensors and Feedback Systems: In conjunction with slewing rings, machinery often incorporates positioning sensors and feedback systems. These sensors and systems provide real-time data on the position, speed, and rotation of the slewing ring. By continuously monitoring and adjusting the motion based on the feedback, precise and controlled movement can be achieved, enabling accurate positioning and motion control.

Overall, slewing rings contribute to precise and controlled motion in machinery through their precision engineering, low friction, integrated gear mechanisms, backlash control, stiffness, and compatibility with positioning sensors and feedback systems. These features ensure accurate positioning, smooth rotation, and controlled movement, making slewing rings essential components for applications that require precise motion control in various industries such as construction, material handling, robotics, and manufacturing.

Can you describe the factors to consider when selecting slewing rings for specific applications?

When selecting slewing rings for specific applications, several factors need to be considered to ensure optimal performance and reliability. Here’s a detailed description of the factors to consider:

  • Load Requirements: The load capacity of the slewing ring should match the anticipated loads in the application. Consider both the maximum static load (weight of the structure or equipment) and dynamic load (forces during operation). It is crucial to analyze the load distribution, including axial, radial, and moment loads, and select a slewing ring with sufficient load-carrying capacity to handle these loads.
  • Space Limitations: Evaluate the available space for the installation of the slewing ring. Consider the diameter, height, and width of the slewing ring to ensure it fits within the space constraints of the application. It is essential to consider both the external dimensions of the slewing ring and the required clearance for rotation.
  • Rotational Speed: Determine the required rotational speed of the slewing ring. Consider the application’s operating speed and any specific speed limitations. The slewing ring should be selected to accommodate the rotational speed requirements while maintaining smooth and efficient operation.
  • Environmental Conditions: Evaluate the operating environment of the application. Factors such as temperature, humidity, dust, water exposure, chemicals, and corrosive elements should be considered. Choose a slewing ring with appropriate sealing systems, corrosion-resistant materials, and lubrication options to withstand the specific environmental conditions.
  • Accuracy and Positioning: Some applications require precise positioning and rotational accuracy. Determine the required level of accuracy and select a slewing ring that provides the necessary precision. Factors such as gear mechanism, backlash control, and manufacturing tolerances contribute to the accuracy of the slewing ring.
  • Operating Conditions: Consider the overall operating conditions of the application, including factors such as shock and vibration levels, duty cycle, continuous or intermittent operation, and expected service life. The slewing ring should be designed to withstand the anticipated operating conditions and provide reliable performance over the desired lifespan.
  • Integration and Compatibility: Assess the integration requirements of the slewing ring with the rest of the system or equipment. Consider factors such as mounting interfaces, connection points, gear compatibility, and the need for additional components such as drive systems or bearings. Ensure that the selected slewing ring is compatible with the existing or planned system components.
  • Industry Standards and Regulations: Depending on the application, specific industry standards and regulations may apply. Consider any applicable standards, such as ISO specifications or industry-specific guidelines, to ensure compliance and safety in the selection of the slewing ring.

By carefully analyzing these factors and selecting a slewing ring that meets the specific requirements of the application, one can ensure optimal performance, longevity, and reliability of the slewing ring in its intended use.

China Best Sales High Quality 42CrMo4 Slewing Ring Bearing Slewing Gear 01-3031-00  China Best Sales High Quality 42CrMo4 Slewing Ring Bearing Slewing Gear 01-3031-00
editor by Dream 2024-05-10

China high quality Deep Groove Ball Bearing 6324 120X260X55mm Industry& Mechanical&Agriculture, Auto and Motorcycle Parts with Best Sales

Product Description

Product description

Model: 6324 Single Row Deep Groove Ball Bearing 

Brand: AUTO
Series: deep groove ball bearings, single row

 Deep groove ball bearings are the most typical rolling bearings with  the characteristics of simply designed structures,convenience in operation and extensive applications. They are designed as non-separable  bearings. The raceways in both of the rings are in arc groove form, which can carry radical load and double directions axial load.They are of features of low friction factor, high limit rotational speed and can be applied in situations where high-rotating speed and low noise and low vibration are required. Applications of thses bearings can be found in automobiles, machine tools, motors, instruments, construction machines, railway vehicles, agricultural machines and various other special machines.

 Product parameter

Bearing Designations Principal Dimensions
(mm)
 Load rating
(KN)
Limiting Speed (r/min) Mass
(kg)
6324 d D B Rsmin Dynamic Cr Static Cor Grease  Oil
120 260 55 3 175 207 2200 2800 12.2

Company

HangZhou Auto Bearing Co., Ltd. is located in the industrial park of HangZhou,which is 1 of the 4 great ancient capitals of China.Our company is the member of China Bearing Industry Association,cooperating with State Quality Supervision and Testing Center for bearing.Our company is a professional bearing manufacturer which integrated with research ,development and marketing services.

Our major products include deep groove ball bearing, spherical roller bearing, slewing ring, crossed roller bearing and other all kinds of high precision bearings.Our products are widely applied to motor industry,mining metallurgy,wind power generation,petroleum drilling,automobile and motorcycle etc..
Our company not only possesses advanced bearing manufacturing equipments and international first-class measuring instruments, but also has strong strength of manufacturing, inspecting and testing the high precision and reliability bearings.Each process is in strict accordance with the ISO9001 quality management system,which effectively guarantees the precise of products and stability of the performance. AUTO bearings are mainly exported to the United states,South Korea,Europe,etc., which have reached the high level of foreign similar products.
The soul of our business culture is [Detail makes competitive, innovation makes first-class”.We believe the production and management philosophy of [quality wins ,casting competitive products”.The company adheres to the zero-defect quality management for meeting customer requirements.

Packing

A. plastic box & outer carton & pallets
B. plastic bag & box & carton & pallet
C. tube package & middle box & carton & pallet
D. Depends on your needs

Delivery

A. Most orders will be shipped within 3-5 days of payment being received.
B. Samples will be shipped by cov2urier as FedEx,UPS,DHL,etc.

Thank you very much for taking time to view our company’s website. If you are interested in this product, please feel free to contact us. We are always here.

  /* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Applied to: Industry& Mechanical&Agriculture, Auto and Motorcy
Aligning: Non-Aligning Bearing
Separated: Unseparated
Rows Number: Single
Load Direction: Thrust Bearing
Material: Bearing Steel
Customization:
Available

|

Customized Request

bearing

Types of Ball Bearings

There are several types of ball bearings: Double-row angular contact, Four-point contact, Self-aligning, and Ceramic hybrid. Here’s a brief description of each. For more information, read our article about Double-row angular contact ball bearings. You’ll be better informed about how they’re made. Also, learn about how the cages that hold the balls in place are secured with rivets.

Double-row, angular-contact bearing

Double-row, angular-contact ball bearings are similar in their contact surfaces in one direction, and the two pairs of bearings are installed axially opposite to one another. This design allows them to support combined loads in axial and radial directions. These types of bearings are used for high-precision, high-speed applications. They can be used in everything from turbines to dentistry equipment. Double-row, angular-contact bearings are available at Grainger, as are single-row versions.
Double-row, angular-contact ball bearings are a popular option for applications where high precision and high speed are required. The design features of these bearings are ideal for applications with axial space restrictions. In contrast, they are smaller than two single-row angular-contact bearings and are available in steel, polyamide, or brass cages. Whether you need a cage for high speed or hard operating conditions is up to you. If you are unsure about the right cage for your application, contact Schaeffler.
Single-row angular-contact ball bearings are the most common type of bearings. Double-row bearings are also available with a shielded outer ring, which protects the balls inside the bearing from external contaminants. Because these double-row bearings are a good choice for applications requiring high performance, they are often the most affordable option. They offer similar performance as single-row bearings but are much more rigid.
Preloading is a key performance characteristic for double-row angular-contact ball bearings. Preloading can decrease the service life of double-row angular-contact ball bearings by up to 380 percent. Alternatively, you can preload double-row angular-contact ball bearings by placing spacers between their outer rings. Good double-row angular-contact bearing installation will increase working accuracy and bearing life.

Four-point contact ball bearing

The Four Point Contact Ball Bearing Market can be segmented into three types: 35 Degree, 45 Degree, and Other. The 35 Degree segment is expected to witness the fastest growth over the next few years, owing to its increased operational speed and competence in axial and radial axis load handling. Other types of four-point contact ball bearings include the Miniature and Deep Groove varieties. These are widely used in automobiles, aerospace, and other industries.
These bearings are designed for oil-free screw compressors, and they feature an outer-ring guided brass cage to reduce friction and increase running accuracy. In addition, they have lower maintenance costs compared to conventional bearings. However, they have a higher mean roughness value than their counterparts. High-speed operations require high-speed bearings that can withstand fast speed changes. This is because of the higher friction rate, which results from four-point contact.
The Four-Point Contact Ball Bearing is a highly versatile product, as it can handle radial, thrust, and moment loads. Because of this, it is often the first choice for slow to moderate-speed applications. This design also has a simplified assembly process, requiring only a single double-half-turn to install. It is the first choice of many automotive OEMs because it is extremely efficient. If you want a ball bearing with these benefits, you should contact a local bearing company.
The Four-Point Contact Ball Bearing Market will continue to grow despite a tough economy and volatile trade conditions. Demand for automotive and aerospace components is expected to grow alongside a variety of technological advancements. Meanwhile, demand for energy-efficient products will continue to increase with changes in trade policy, an imbalance in the supply-side ecosystem, and geopolitical risk. And while all these factors will continue to drive the market growth, a few challenges are worth considering.
The Four-Point Contact Bearing is designed with the same basic structure as its two-point counterpart. In a four-point contact ball bearing, one ball can have four distinct points of contact with two rings. Two of these contact points may be in diagonal position. The two remaining contact points change position and accommodate radial loads. Consequently, the Four-Point Contact Bearing is more flexible and robust than its two-point counterparts.
bearing

Self-aligning ball bearing

The self-aligning ball bearing is an incredibly useful tool in many industries. This type of bearing has a sealing lip that makes contact with a smooth chamfer on the inner ring. Because of the self-aligning nature of these bearings, they are not prone to misalignment. They can withstand temperatures ranging from -30°C to 120°C and should not be heated prior to installation.
A self-aligning ball bearing is an elastomer-based spherical-shaped bearing with two rows of rolling elements. These bearings can accommodate large radial loads, and their outer ring raceway is curved to provide a spherical effect. The inner ring, or cage, can be either cylindrical or conical. The inner diameter of a self-aligning ball bearing is normally cylindrical, but some are conical. They typically have three oil holes.
When choosing a self-aligning ball bearing, look for a model with a large enough bearing diameter to accommodate the shaft’s bending. Self-aligning bearings may also be interchangeable with standard ball bearing assemblies. You can find individual values in manufacturer catalogues. These bearings are useful in limited applications, although they are not necessarily ideal for everything. For example, in applications where combined loads are the main concern, self-aligning ball bearings should only be used if the application requires minimal misalignment.
A self-aligning ball bearing is a highly-efficient, energy-efficient solution for a variety of applications. It is a simple, low-maintenance solution that makes your life easier. Its unique outer raceway allows restraining springs to absorb the deflection that is common in other bearings. The result is a cooler, smoother running vehicle. It also helps prevent misalignment, which makes it ideal for use in many applications.
The SKF self-aligning ball bearing is an excellent choice for applications involving heavy deflection of the shaft. They are the lowest-friction bearing available. Their steel plate reinforced seals prevent them from separating from the shaft during operation. They are also resistant to oil, making them the perfect solution for high-speed applications. In addition to this, they are designed to work in a wide range of temperatures.
bearing

Ceramic hybrid ball bearing

A hybrid ball bearing made from a combination of steel and ceramics is a good option for high-speed applications requiring electrical isolation. This combination offers an extended lifespan and minimal electrical corrosion or seizure risk. In addition, the hybrid ball bearings have less friction than steel bearings and can operate at low speeds. To learn more about this hybrid type of bearing, continue reading. We’ll also discuss how it can help your application.
Full ceramic balls are generally harder than steel, but they do have lower density, meaning they’re not subject to the same high centrifugal forces as steel balls. These benefits make ceramic ball bearings much more durable, with long lifespans. Both full and hybrid ceramic ball bearings are available from CZPT. Read on to learn more about each type. Here’s a look at some of the benefits of each. You’ll be pleasantly surprised.
A hybrid ball bearing consists of steel inner and outer rings and a ceramic ball. It can withstand high speeds and loads, but it’s also designed to operate in extreme temperatures. This hybrid ball bearing also requires minimal lubrication and is suitable for a variety of applications. Because of its unique characteristics, hybrid bearings are lightweight and hard, and they spin faster than steel balls. But how do you choose the right one for your application?
A ceramic ball bearing is better than a steel one for many applications. Its greater speed capability and lower friction allow it to operate at higher speeds than steel balls. It is also less sensitive to fluctuations in lubrication conditions than steel balls. They also tend to be cheaper, so it makes sense to invest in one. It’s worth your while. They last longer, and they don’t require a run-in period.
A hybrid ball bearing is the best choice for electric spindles with high speed and heavy loads. A hybrid ceramic ball bearing has the advantage of low heat and high stiffness, and can operate at high speeds and loads. This thesis explores the dynamic characteristics of a hybrid ceramic ball bearing, including analysis calculations and experiment verification. The results provide reliable data and lay the foundation for professional spindle optimum design tests. It is a worthy addition to any machine shop.

China high quality Deep Groove Ball Bearing 6324 120X260X55mm Industry& Mechanical&Agriculture, Auto and Motorcycle Parts   with Best SalesChina high quality Deep Groove Ball Bearing 6324 120X260X55mm Industry& Mechanical&Agriculture, Auto and Motorcycle Parts   with Best Sales
editor by Dream 2024-05-08

China high quality Auto Parts High Speed Angular Contact Ball Bearings 71821b Compound Load Bearing bearing block

Product Description

Product description
Model: Angular contact ball bearings (71821B)

Brand: AUTO
Series: Angular contact ball bearings, single row, no seals
Shape size

d:  105

D:  130

B:  13

718 Series Angular Contact Bearings
719 Series Angular Contact Bearings
H719 Series Angular Contact Bearings
70 Series Angular Contact Bearings
H70 Series Angular Contact Bearings
B70 Series Angular Contact Bearings
72 Series Angular Contact Bearings


Company

HangZhou Auto Bearing Co., Ltd. is located in the industrial park of HangZhou,which is 1 of the 4 great ancient capitals of China.Our company is the member of China Bearing Industry Association,cooperating with State Quality Supervision and Testing Center for bearing.Our company is a professional bearing manufacturer which integrated with research ,development and marketing services.

Our major products include deep groove ball bearing, spherical roller bearing, slewing ring, crossed roller bearing and other all kinds of high precision bearings.Our products are widely applied to motor industry,mining metallurgy,wind power generation,petroleum drilling,automobile and motorcycle etc..
Our company not only possesses advanced bearing manufacturing equipments and international first-class measuring instruments, but also has strong strength of manufacturing, inspecting and testing the high precision and reliability bearings.Each process is in strict accordance with the ISO9001 quality management system,which effectively guarantees the precise of products and stability of the performance. AUTO bearings are mainly exported to the United states,South Korea,Europe,etc., which have reached the high level of foreign similar products.
The soul of our business culture is [Detail makes competitive, innovation makes first-class”.We believe the production and management philosophy of [quality wins ,casting competitive products”.The company adheres to the zero-defect quality management for meeting customer requirements.

Packing

A. plastic box & outer carton & pallets
B. plastic bag & box & carton & pallet
C. tube package & middle box & carton & pallet
D. Depends on your needs

Delivery

A. Most orders will be shipped within 3-5 days of payment being received.
B. Samples will be shipped by cov2urier as FedEx,UPS,DHL,etc.

Thank you very much for taking time to view our company’s website. If you are interested in this product, please feel free to contact us. We are always here.

/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Contact Angle: Other
Aligning: Non-Aligning Bearing
Separated: Unseparated
Rows Number: Single
Load Direction: Axial Bearing
Material: Bearing Steel
Customization:
Available

|

Customized Request

bushing

Industrial applications of casing

For rotating and sliding parts, bushings are an important part of the machine. Due to their anti-friction properties and load-carrying capacity, they are an important part of many different industrial processes. Bushings play a vital role in industries such as construction, mining, hydropower, agriculture, transportation, food processing and material handling. To learn more about the benefits of bushings, read on. You’ll be amazed how much they can help your business!

type

When comparing enclosure types, consider the material and how it will be used. Oilite bushings are made of porous material that draws lubricant into the liner and releases it when pressure is applied. These are manufactured using a sintered or powered metal process. Copper and tin are the most commonly used materials for making copper bushings, but there are other types of metal bushings as well.
Another popular type is the plain bearing. This type reduces friction between the rotating shaft and the stationary support element. This type provides support and load bearing while relying on soft metal or plastic for lubrication. Journal bearings are used to support the linear motion of the engine crankshaft in large turbines. They are usually babbitt or hydrodynamic with a liquid film lubricant between the two halves.
The oil-impregnated paper sleeve is made of high-quality kraft insulating paper. These bushings contain two layers of capacitor grading, with the innermost layer electrically connected to the mounting flange. These are mature processes and are widely used in different voltage levels. CZPT Electric (Group) Co., Ltd. provides UHV DC and AC oil-impregnated paper wall bushings for environmental control rooms.
Electrical bushings are used to transmit electricity. These can be transformers, circuit breakers, shunt reactors and power capacitors. The bushing can be built into the bushing or through the bushing. The conductors must be able to carry the rated current without overheating the adjacent insulation. A typical bushing design has a conductor made of copper or aluminum with insulation on all other sides. If the bushing is used in a circuit, the insulation needs to be high enough to prevent any leakage paths.
Voltage and current ratings of electrical bushings. Solid type electrical bushings typically have a center conductor and a porcelain or epoxy insulator. These bushings are used in small distribution transformers and large generator step-up transformers. Their test voltage is typically around 70 kV. Subsequent applications of this bushing may require a lower halfway release limit. However, this is a common type for many other applications.
bushing

application

Various industrial applications involve the use of casing. It is an excellent mechanical and chemical material with a wide range of properties. These compounds are also packaged according to national and international standards. Therefore, bushings are used in many different types of machines and equipment. This article will focus on the main industrial applications of casing. This article will also explain what a casing is and what it can do. For more information, click here. Casing application
Among other uses, bushing assemblies are used in aircraft and machinery. For example, a fuel tank of an aircraft may include baffle isolator 40 . The bushing assembly 16 serves as an interface to the fuel tank, allowing electrical current to flow. It can also be used to isolate one component from another. In some cases, bushing assemblies are used to provide a tight fit and reduce electrical resistance, which is important in circuits.
The benefits of casing go beyond reducing energy transmission. They reduce lubrication costs. If two metal parts are in direct contact, lubrication is required. Thus, the bushing reduces the need for lubrication. They also allow parts of the car to move freely. For example, rubber bushings may begin to deteriorate due to high internal temperatures or cold weather. Also, oil can affect their performance.
For example, bushing CTs in oil and gas circuit breakers are used as window current transformers. It consists of a toroidal core and secondary windings. The center conductor of the bushing acts as the single-turn primary of the BCT. By tapping the secondary winding, the ratio between primary and secondary can be changed. This information can be found on the asset nameplate.
Among other uses, bushings are used in diagnostic equipment. These components require precise positioning. Fortunately, air sleeves are perfect for this purpose. Their frictionless operation eliminates the possibility of misalignment. In addition, products based on porous media help minimize noise. A casing manufacturer can advise you on the best product for your equipment. Therefore, if you are looking for replacement bushings for your existing equipment, please feel free to contact Daikin.

Material

Dry ferrule cores were selected for study and examined under an Olympus polarizing microscope (BX51-P). Core slices showing layers of aluminum foil with a distance of approximately 2 cm between adjacent capacitor screens. The aluminum foil surface has a multi-layered structure with undulations due to shrinkage and crepe. Differences between the two types of foils are also revealed.
A typical metal bushing material consists of a high-strength metal backing and a solid lubricant. These materials have higher load-carrying capacity and low friction during operation. Additionally, they are precision machined to tight tolerances. They also offer better thermal conductivity and better fatigue resistance. The accuracy of the metal bushing is improved due to the re-machining process that takes place after the bearing is assembled. Additionally, metal bushing materials are more resistant to wear than plastic bushing materials.
Plastic bushings are relatively inexpensive and readily available off the shelf. Also, the price of custom plastic bushings is relatively low. However, they are not recommended for heavy duty applications. Plastics degrade under high loads and can damage mating parts. Also, if the plastic bushings are not manufactured accurately, they can become misaligned. These are just some of the reasons for choosing metal bushings over plastic.
A mechanically bonded bushing 40 is placed over the stabilizer bar and compressed into the outer sleeve/bracket assembly. The outer metal member includes slotted holes that compensate for the tolerance stacking between the first and second bushing assemblies. Pre-assembly allows the assembly plant to receive a complete assembly ready for vehicle assembly, rather than sub-assembly at the vehicle manufacturing plant.
bushing

cost

Control arm bushings are a major component of modern vehicle suspension systems. Damaged bushings can negatively affect the handling and performance of your car. Replacing bushings on a car can cost $200 to $500. While that’s pretty cheap for a handful of control bushings, replacing the entire suspension system could set you back over $1,200. Thankfully, if you want to repair or replace the bushing yourself, you can do it yourself for a fraction of the cost.
If you decide to replace the control arm bushing yourself, it’s best to shop around for the best price. Many auto parts stores offer cheaper bushings that you don’t have to spend a fortune on. Even if you don’t drive for years, rubber can degrade and create cracks in the material. These cracks can be as deep as three-eighths of an inch. This makes it dangerous to drive a car with damaged control arm bushings.
Hiring a mechanic might be a good idea if you don’t like doing the work yourself. You can save money and time by repairing the control arm yourself, but you may have to hire a mechanic to do the job. Replacing the front sway bar bushing alone can cost between $450 and $900. While these components are relatively inexpensive, you can replace them for a better-handling car.
In some cases, sizing the bushings is a more economical option, but if you want to replace your entire suspension system, it’s better to buy a brand new lower limit. You can even save labor by buying a replacement part fork with a good lower portion. In addition to improving your car’s handling and ride, new bushings will add to your car’s overall value. If you are not sure which parts you need, ask your mechanic for a quote.
While the cost of replacing control arm bushings is relatively low, it’s a good idea to compare quotes from multiple mechanics. By getting multiple quotes for the same repair, you can save as much as $50 to $100 on the total cost of your car. In addition to labor costs, parts and labor can vary, so shop around to find the mechanic best suited for your car. There’s no reason to settle for sub-par service when you can save $50 or more!

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editor by Dream 2024-05-02