China best External/Internal Non Gear Crossed Roller Slew Bearing Slewing Ring for Tower Crane 131.25.560 133.25.560 132.25.560 Three-Row Roller Bearing

Product Description


Product Description

Three-row roller slewing bearing decreases the bearing diameter by distributing the loads in different directions to different rows of raceways and rollers, which makes the slewing ring more compact and improves the load capacity.

Three row roller slewing bearing the rolling element bearing capacity of a clear division of responsibilities, up and down the rows of roller bearing 90°, give full play to the bearing roller bearing performance, so it is of large axial force of the bearing capacity of the radial force and overturning moment, meets the engineering machinery especially the stacker crane ladle rotating table which is requirement of rotary bearing 360°.Three-row roller slewing ring is ideal for lifting, mining, material transportation, marine, and other engineering machinery.


Product Parameters

Product Specification

Designation Dimensions Gear Data Weight
No Gear External Gear Internal Gear D d H m Da Z da Z b X kg
130.25.500 131.25.500 133.25.500 634 366 148 5 665 130 335 68 80 0.5 224
  132.25.500 134.25.500 634 366 148 6 666 108 336 57 80 0.5 224
130.25.560 131.25.560 133.25.560 694 426 148 5 725 142 395 80 80 0.5 240
  132.25.560 134.25.560 694 426 148 6 726 118 396 67 80 0.5 240
130.25.630 131.25.630 133.25.630 764 496 148 6 810 132 456 77 80 0.5 270
  132.25.630 134.25.630 764 496 148 8 808 98 456 58 80 0.5 270
130.25.710 131.25.710 133.25.710 844 576 148 6 888 145 534 90 80 0.5 300
  132.25.710 134.25.710 844 576 148 8 888 108 536 68 80 0.5 300
130.32.800 131.32.800 133.32.800 964 636 182 8 1008 123 592 75 120 0.5 500
  132.32.800 134.32.800 964 636 182 10 1571 98 590 60 120 0.5 500
130.32.900 131.32.900 133.32.900 1064 736 182 8 1110 135 688 87 120 0.5 600
  132.32.900 134.32.900 1064 736 182 10 1110 108 690 70 120 0.5 600
130.32.1000 131.32.1000 133.32.1000 1164 836 182 10 1220 119 780 79 120 0.5 680
  132.32.1000 134.32.1000 1164 836 182 12 1224 99 780 66 120 0.5 680
130.32.1120 131.32.1120 133.32.1120 1284 956 182 10 1340 131 900 91 120 0.5 820
  132.32.1120 134.32.1120 1284 956 182 12 1344 109 900 76 120 0.5 820
130.40.1250 131.40.1250 133.40.1250 1445 1055 220 12 1512 123 984 83 150 0.5 1200
  132.40.1250 134.40.1250 1445 1055 220 14 1512 105 980 71 150 0.5 1200
130.40.1400 131.40.1400 133.40.1400 1595 1216 220 12 1668 136 1140 96 150 0.5 1300
  132.40.1400 134.40.1400 1595 1216 220 14 1666 116 1134 82 150 0.5 1300
130.40.1600 131.40.1600 133.40.1600 1795 1405 220 14 1876 131 1330 96 150 0.5 1520
  132.40.1600 134.40.1600 1795 1405 220 16 1872 114 1328 84 150 0.5 1520
130.40.1800 131.40.1800 133.40.1800 1995 1605 220 14 2072 145 1526 110 150 0.5 1750
  132.40.1800 134.40. 1800 1995 1605 220 16 2080 127 1520 96 150 0.5 1750
130.45.2000 131.45.2000 133.45.2000 2221 1816 150 16 2267 138 105 0.9 1120
  132.45.2000 134.45.2000 2221 1779 231 16 2304 141 1696 107 160 0.5 2230
130.45.2240 131.45.2240 133.45.2240 2461 2019 231 16 2560 157 1920 121 160 0.5 2700
  132.45.2240 134.45.2240 2461 2019 231 18 2556 139 1926 108 160 0.5 2700
130.45.2500 131.45.2500 133.45.2500 2721 2279 231 18 2826 154 2178 122 160 0.5 3000
  132.45.2500 134.45.2500 2721 2279 231 20 2820 138 2I78 110 160 0.5 3000
130.45.2800 131.45.2800 133.45.2800 3571 2579 23] 18 3114 170 2484 139 160 0.5 3400
  132.45.2800 134.45.2800 3571 2579 231 20 3120 153 2480 125 160 0.5 3400
130.50.3150 131.50.3150 133.50.3150 3432 2579 270 20 3540 174 2760 139 180 0.5 5000
  132.50.3150 134.50.3150 3432 2868 270 22 3542 158 2750 126 180 0.5 5000
130.50.3550 131.50.3550 133.50.3550 3832 3268 270 20 3940 194 3160 159 180 0.5 5600
  132.50.3550 134.50.3550 3832 3268 270 22 3938 176 3146 144 180 0.5 5600
130.50.4000 131.50.4000 133.50.4000 4280 3718 270 22 4400 197 3608 165 180 0.5 6400
  132.50.4000 134.50.4000 4280 3718 270 25 4400 173 3600 145 180 0.5 6400
130.50.4500 131.50.4500 133.50.4500 4782 4218 270 22 4906 220 4114 188 185 0.5 6942
  132.50.4500 134.50.4500 4782 4218 270 25 4900 193 4100 165 185 0.5 6942

Company Profile

HangZhou solarich machinery Co., Ltd. is a professional manufacturer of bearings, We can design and manufacture single-row ball slewing bearings, double-row ball slewing bearings, three-row roller slewing bearings, ball combination slewing bearings, crossed roller bearings, crossed tapered roller bearings Bearings, slewing drives and custom bearings.

Subordinate factories use high-quality chrome steel and stainless steel as raw materials, specializing in the design, development and manufacture of deep groove ball bearings, stainless steel bearings, stainless steel outer ball bearings , tapered bearings , cylindrical bearings, needle bearing , thrust bearing , bearing housing and non-standard bearings.

Adhering to the business philosophy of “Quality and Integrity”, we will continue to provide excellent bearings and high-quality services to serve global customers.

Our Advantages

With a professional team and advanced manufacturing technology, it is in a leading position in the research and development of slewing rings and customized bearings, with reasonable design structure, light weight, strong bearing capacity and strong versatility. Bearing diameters range from 200 to 15000mm, with accuracies covering P0, P6 and P5 grades. Our slewing rings, precision bearings and custom bearings are used in a wide range of industries including construction, engineering, mining, marine, chemical, wind turbines, medical equipment etc.



Playground Equipment

Slewing bearing can provide excellent performance experience and safety guarantee for amusement equipment, and the durability of slewing bearing is also the main concern of technical engineers. For more than 20 years, slewing bearing solutions have been used in many key applications of large amusement equipment. reflect.

We designed the cross-sectional area to remain the same as the raceway center distance increased, and the slewing ring achieves better dynamic capabilities with less mass.

Key advantages include:
* Lighter weight
* Save spaighter weightce
* Long life and lower maintenance costs
* Better stiffness
* Better lubrication in extreme conditions

Medical Device
With the comprehensive development of scientific and technological strength, the social economyu has been improved faster, and the medical equipment has also been comprehensively improved.

Mining & construction machinery

Mining machinery and heavy construction machinery industry uses a range of different types of highly specialized mobile machinery. . The places where mining machinery and construction machinery are active are mostly mining sites such as mountains and deserts that are far away from ordinary human life. These heavy machinery work in the harshest environments and require continuous low-friction work without reducing load capacity and minimum. assembly and adjustment time. Solving the bearing heating problem caused by the large exciting force, high vibration frequency and continuous operation of vibratory rollers for users has become the focus of the work. Mineral crushing machinery, cutting machinery, screening machinery, loading machinery, conveying machinery and other equipment in the use environment of bearings, users desire products with robustness, durability and high reliability to resist these harsh working conditions.

Transportation vehicle

Metric and inch needle roller bearings have various structural types, mainly including open drawn cup needle roller bearings, closed drawn cup needle roller bearings, needle roller bearings with inner ring and needle roller bearings without inner ring/without inner ring Cage needle roller bearings, caged and cageless needle roller bearings. Widely used in automobiles, motorcycles, mopeds, power tools, textiles, agricultural machinery, printing machinery, construction machinery, automatic instruments and other fields.

Automatic machinery

Industrial robot bearings mainly include 2 categories: 1 is thin-walled bearings, and the other is crossed cylindrical roller bearings. In addition, there are harmonic reducer bearings, linear roller bearings, spherical plain bearings, etc. Bearings with good performance have large bearing capacity, good rigidity, high rotation precision and easy installation.

Packaging & Shipping




Q: Are you trading company or manufacturer?
A: We are bearing manufacturer.

Q: How do you control quality of bearing?
A: All products and services passed ISO9001-2008 Quality Certificate.

Q: What is the MOQ?
A: It depends on the bearing type. You can send inquiry or send e-mail  for more information.

Q: How about the package?
A: Industrial packing in general condition (Plastic tube+ carton+ pallet). Accept design package when OEM.

Q: How long is the delivery time?
A: It will take about 10 to 40 days, depends on the model and quantity.

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

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

Q: Can we use our own LOGO or design on bearings?
A: Yes. OEM is acceptable. We can design the bearing with your requirements and use your own LOGO and package design.

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Standard or Nonstandard: Nonstandard
Sealing Gland: Non-Seal
Rolling-Element Number: Three Row Cylindrical
US$ 20/Piece
1 Piece(Min.Order)


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Currency: US$
Return&refunds: You can apply for a refund up to 30 days after receipt of the products.

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.

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.

Can slewing rings be customized for specific industries or machinery configurations?

Yes, slewing rings can be customized to meet the specific requirements of different industries or machinery configurations. Customization allows slewing rings to be tailored to suit unique applications, operating conditions, and integration needs. Here’s a detailed explanation of how slewing rings can be customized:

Slewing ring manufacturers understand that different industries and machinery configurations may have specific demands that require customized solutions. By working closely with customers and understanding their requirements, slewing ring manufacturers can offer the following customization options:

  • Dimensions and Load Capacity: Slewing rings can be customized in terms of their dimensions, such as outer diameter, inner diameter, and height, to fit specific space constraints or load requirements. This ensures that the slewing ring can be seamlessly integrated into the machinery or equipment.
  • Mounting Interfaces: Customized slewing rings can be designed with specific mounting interfaces to match the existing or planned machinery configuration. This facilitates easy installation and compatibility with other components.
  • Gear Specifications: For applications that require integrated gears, slewing rings can be customized with specific gear specifications. This includes the number of teeth, module, pressure angle, gear quality, and backlash requirements. Customized gear specifications ensure smooth and precise motion control.
  • Sealing Systems: Slewing rings can be customized with sealing systems to provide protection against environmental factors such as dust, water, and contaminants. Different sealing options, such as labyrinth seals, lip seals, or combination seals, can be tailored to meet the specific requirements of the application.
  • Materials and Coatings: Customization allows slewing rings to be manufactured using different materials and surface coatings to enhance their performance in specific industries or operating conditions. Materials such as stainless steel, heat-treated steels, or corrosion-resistant alloys can be chosen based on factors like temperature, corrosion resistance, or weight considerations.
  • Specialized Features: Depending on the industry or application, slewing rings can be customized with specialized features. This may include integrated sensors for position feedback, temperature sensors, or additional functionalities like locking mechanisms, lubrication systems, or anti-corrosion treatments.

The ability to customize slewing rings for specific industries or machinery configurations ensures that the resulting solution is optimized for performance, reliability, and longevity in the intended application. Customization allows for a precise match between the slewing ring and the machinery, considering factors such as space constraints, load requirements, environmental conditions, and integration needs.

It is important to work closely with slewing ring manufacturers or suppliers who have expertise in customization and can provide engineering support to develop the most suitable solution for the specific industry or machinery configuration. By leveraging customization options, industries can benefit from slewing rings that are specifically designed to meet their unique requirements and optimize the performance of their machinery or equipment.

China best External/Internal Non Gear Crossed Roller Slew Bearing Slewing Ring for Tower Crane 131.25.560 133.25.560 132.25.560 Three-Row Roller Bearing  China best External/Internal Non Gear Crossed Roller Slew Bearing Slewing Ring for Tower Crane 131.25.560 133.25.560 132.25.560 Three-Row Roller Bearing
editor by Dream 2024-05-14