Product Description

These bearings are capable of taking high radial loads and axial loads in 1 direction. In the HR series, the rollers are increased in both size and number giving it an even higher load capacity. They are generally mounted in pairs in a manner similar to single-row angular contact ball bearings. In this case, the proper internal clearance can be obtained by adjusting the axial distance between the cones or cups of the 2 opposed bearings.

Model Size Rated dynamic load (KN) Rated static load (KN) Weight                (kg)
(mm)
d D T
32007 35 62 18 43.2 59.2 0.224
32008 40 68 19 51.9 71.1 0.268
32009 45 75 20 58.4 81.4 0.339
32571 50 80 20 61.1 89 0.367
32011 55 90 23 80.2 117.2 0.564
32012 60 95 23 81.7 122.2 0.597
32013 65 100 23 82.8 127.3 0.628
32014 70 110 25 104.3 160.1 0.838
32015 75 115 25 103.1 160.2 0.875
32016 80 125 29 141 220 1.27
32017 85 130 29 139.8 220.3 1.33
32018 90 140 32 171.3 271 1.77
32019 95 145 32 174.6 281.3 1.796
32571 100 150 32 173.1 281.7 1.91
32571 105 160 35 205. 4 335.8 2.4
32571 110 170 38 245.7 403.4 3.02
32571 120 180 38 242.1 404.4 3.18
32026 130 200 45 333.7 567.1 4.94
32571 140 210 45 329.8  567.8 5.15
32030 150 225 48 367.6 635.8 6.25
32032 160 240 51 419.6 734.5 7.66
32207 35 72 24.25 70.6 89.5 0.426
32208 40 80 24.75 77.9 97.2 0.529
32209 45 85 24.75 80.7 104 0.587
32210 50 90 24.75 82.8 107.6 0.654
32211 55 100 26.75 108 142.3 0.881
32212 60 110 29.75 132.8 179.6 1.17
32213 65 120 32.75 160.9 221.7 1.58
32214 70 125 33.25 168.5 237.1 1.66
32215 75 130 33.25 170.3 242.1 1.76
32216 80 140 35.25 198.1 279 2.19
32217 85 150 38.5 226.7 324 2.7
32218 90 160 42.5 269.8 395.5 3.61
32219 95 170 45.5 302.5 448.4 4.34
32220 100 180 49 341 512 5.31
32221 105 190 53 342 517 6.37
32222 110 200 56 388 590 7.45
32224 120 215 61.5 420 610 9.04
32226 130 230 67.75 551.7 888.7 11.377
32228 140 250 71.75 643.7 1049.3 14.413
32307 35 80 32.75 99 118.3 0.766
32308 40 90 35.25 115.7 147.8 1
32309 45 100 38.25 145.3 189.4 1.41
32310 50 110 42.25 177.5 236.1 1.9
32311 55 120 45.5 203.1 271.4 2.33
32312 60 130 48.5 226.7 303 2.96
32313 65 140 51 259.6 349.8 3.53
32314 70 150 54 298.9 408.5 4.41
32315 75 160 58 347.4 483.1 5.27
32316 80 170 61.5 387.9 543.1 6.43
32317 85 180 63.5 421.8 592.8 7.31
32318 90 190 67.5 478.2 693.3 8.81
32319 95 200 71.5 516.1 737.7 10.1
32320 100 215 77.5 600.1 872.2 13
35717 35 72 18.25 54.2 63.5 0.333
35718 40 80 19.75 63 74 0.431
35719 45 85 20.75 67.9 83.6 0.474
35710 50 90 21.75 73.3 92.1 0.529
35711 55 100 22.75 90.8 113.7 0.713
35712 60 110 23.75 103.3 130 0.923
35713 65 120 24.75 120.6 152.6 1.58
35714 70 125 26.25 132.3 173.6 1.29
35715 75 130 27.25 138.4 185.4 1.4
35716 80 140 28.25 160.4 212.8 1.56
35717 85 150 30.5 177.6 236.8 2.06
35718 90 160 32.5 200.1 269.6 2.54
35719 95 170 34.5 226.6 309 3.04
35710 100 180 37 253.9 350.3 3.72
35711 105 190 39 285.3 398.6 4.38
35712 110 200 41 314.9 443.6 5.21
35714 120 215 43.5 337.4 483.3 6.2
35716 130 230 43.75 366 521.4 6.94
35718 140 250 45.75 409.2 584.7 8.73
35710 150 270 49 451.2 645.9 10.8
30306 30 72 20.75 59.6 60.1 0.389
30307 35 80 22.75 75.3 82.6 0.515
30308 40 90 25.25 80.5 90.2 0.761
30309 45 100 27.25 113 128 0.984
3571 50 110 29.25 145.3 189 1.26
3571 55 120 31.5 153.5 187.6 1.65
3571 60 130 33.5 171.4 210 1.96
3571 65 140 36 193 227 2.42
3571 70 150 38 219 271.7 3.04
3571 75 160 40 252.8 318.8 3.71
3 0571 80 170 42.5 278.8 352.5 4.27
3 0571 85 180 44.5 304.9 388.2 4.96
3 0571 90 190 46.5 342.1 440.9 5.8
3571 95 200 49.5 369 477.7 6.8
30320 100 215 51.5 406.4 526.4 8.22
33008 40 68 22 60.2 79.6 0.306
33009 45 75 24 72.6 100.4 0.398
33571 50 80 24 76.8 110.9 0.433
33011 55 90 27 94.9 144.7 0.651
33012 60 95 27 96.7 151.1 0.691
33013 65 100 27 98.1 157.7 0.732
33014 70 110 31 134.4 220.4 1.07
33015 75 115 31 133.1 221.2 1.12
33016 80 125 36 181.9 304.3 1.63
33017 85 130 36 180.4 305.5 1.69
33018 90 140 39 232.6 388.6 2.2
33019 95 145 39 231 389.9 2.26
33571 100 150 39 229.5 391.2 2.33
33571 105 160 43 257.4 437.4 2.97
33571 110 170 47 288.7 502.7 3.74
33571 120 180 48 298.2 535.1 4.07
33026 130 200 55 400.6 727.4 6.14
33571 140 210 56 407 755.5 6.57
33030 150 225 59 461.2 873.8 7.98
33108 40 75 26 84.7 110.3 0.496
33109 45 80 26 87.1 117.2 0.535
33110 50 85 26 89.3 124.1 0.572
33111 55 95 30 114.5 164.8 0.483
33112 60 100 30 117.1 173.2 0.895
33113 65 110 34 142.8 220.4 1.3
33114 70 120 37 172.1 267 1.7
33115 75 125 37 176.1 279.6 1.78
33116 80 130 37 179.6 292.3 1.87
33117 85 140 41 215.7 354.2 2.43
33118 90 150 45 252.1 414.7 3.13
33119 95 160 49 298.9 498.2 3.94
33120 100 165 52 309.4 529.2 4.31
33121 105 175 56 351.8 607.8 5.29
33122 110 180 56 373.2 639.1 5.5
33124 120 200 62 448.2 779.1 7.68
33207 35 72 28 82.6 101.7 0.515
33208 40 80 32 105.8 135.5 0.715
33209 45 85 32 109.5 145.1 0.771
33210 50 90 32 112.9 154.6 0.825
33211 55 100 35 35 196.7 1.15
33212 60 110 38 38 231.4 1.51
33213 65 120 41 41 281.6 1.99
33214 70 125 41 41 298.3 2.1
33215 75 130 41 41 299.7 2.17
33216 80 140 46 46 361.8 2.83
33217 85 150 49 49 415.7 3.52
33218 90 160 55 55 499.7 4.55
33219 95 170 58 58 568.4 5.48
33220 100 180 63 63 666.2 6.71
33221 105 190 68 68 770.5 8.12
32909 45 68 15 32 48.4 0.18
32910 50 72 15 36.9 56.1 0.181
32911 55 80 17 41.5 66.7 0.262
32912 60 85 17 46.1 73.1 0.279
32913 65 90 17 45.4 73.2 0.295
32914 70 100 20 70.8 114.7 0.471
32915 75 105 20 78.2 124.7 0.49
32916 80 110 20 79.3 129 0.514
32917 85 120 23 96.9 164.1 0.767
32918 90 125 23 95.8 164.5 0.798
32919 95 130 23 97.1 169.8 0.931
32920 100 140 25 126.6 218.4 1.12
32921 105 145 25 128 255.6 1.16
32922 110 150 25 129.7 232.6 1.2
32924 120 165 29 171.9 317.3 1.78
32926 130 180 32 206 380.6 2.34
32928 140 190 32 207.2 392.4 2.47
32930 150 210 38 261 510.4 3.87
32932 160 220 38 262.8 525.4 4.07
32934 170 230 38 280.1 561.5 4.33

ZheJiang REET BEARING.CO.,LTD is a professional bearing manufacturer and exporter.
We have a wealth of technical.All producing processes are finished in our manufactory. As an ISO9001:2000 certified manufacturer,we will solve various problems in application and use of our bearings. 
Our company is an authorized distributor of FAG, INA, CZPT and other world brand bearings.Our company has the right to self-export bearings and launches its own brand RTB.
Our bearing had been exported to more than 20 countries worldwide and are warmly welcomed.
We’re looking forward to your order.
FAQ

1.Is the company a production factory or a trading company?
ZheJiang REET BEARING CO.,LTD is a manufacturing enterprise focusing on bearings and integrating research, production and sales.

2.How many the MOQ of your company?
Depending on the size of the bearing, the MOQ is variable, if you are interested, you can contact me for a quote.

3.Does the company accept OEM or customized bearings?
In addition to standard products, we also supply non-standard and modified standard products for special application. Meanwhile, we provide OEM service.

4.Can the company provide free samples?
We can provide samples for free. You only need to provide shipping.

5.What are the company’s delivery terms?
We can accept EXW,FOB,CFR,CIF,etc. You can choose the 1 which is the most convenient cost effective for you.

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Rated Dynamic Load: 174.6
Rated Static Load: 281.3
Weight: 1.796
Rolling Body: Roller Bearings
The Number of Rows: Single
Material: Bearing Steel
Samples:
US$ 2.5/Piece
1 Piece(Min.Order)

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Request Sample

Customization:
Available

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Customized Request

cross roller bearing

How do different types of cross roller bearings, such as single and double split, differ in terms of design and functionality?

Various types of cross roller bearings, including single split and double split designs, exhibit differences in their design and functionality. These variations affect factors such as load capacity, rigidity, ease of installation, and axial displacement capability. Here’s a detailed explanation of the differences between single split and double split cross roller bearings:

  • Single Split Cross Roller Bearings:
  • Single split cross roller bearings consist of two separate parts – an inner ring and an outer ring. The inner ring is designed with a single split, allowing the bearing to be easily assembled and disassembled around the equipment shaft or housing. This design simplifies the installation process and reduces the need for complex adjustments. Single split cross roller bearings typically have a higher load capacity compared to double split designs, making them suitable for applications that require greater radial and axial load handling.

  • Double Split Cross Roller Bearings:
  • Double split cross roller bearings consist of three separate parts – an inner ring and two outer rings. Both the inner and outer rings have double splits, allowing the bearing to be easily separated into individual components. The double split design provides enhanced rigidity and axial displacement capability compared to single split bearings. Double split cross roller bearings can accommodate higher axial loads and have improved resistance to moment loads, making them suitable for applications that require increased rigidity and load-carrying capacity.

In terms of functionality, both single split and double split cross roller bearings offer advantages in different scenarios. Single split bearings are often preferred in applications where ease of installation, disassembly, and maintenance are critical factors. They are commonly used in machine tools, industrial robots, and other equipment that requires frequent assembly or adjustment. Single split bearings provide flexibility and convenience during installation and servicing processes.

On the other hand, double split cross roller bearings excel in applications that demand higher rigidity, increased load capacity, and improved resistance to moment loads. The double split design enhances the bearing’s ability to handle axial loads and maintain stability under challenging operating conditions. Double split bearings are commonly used in precision machinery, robotics, aerospace systems, and other applications where high rigidity and load-carrying capacity are essential.

In summary, the main differences between single split and double split cross roller bearings lie in their design and functionality. Single split bearings feature a simpler two-part design, allowing for easy assembly and disassembly. They offer higher load capacity but may have limitations in terms of rigidity and axial displacement capability. Double split bearings, with their three-part design, provide enhanced rigidity, improved axial load handling, and increased resistance to moment loads. The choice between single split and double split cross roller bearings depends on the specific requirements of the application, balancing factors such as load capacity, rigidity, ease of installation, and axial displacement capability.

cross roller bearing

Can you explain the role of preloading in optimizing the performance of cross roller bearings?

Preloading plays a crucial role in optimizing the performance of cross roller bearings. It involves applying a controlled axial force to the bearing to eliminate internal clearance and ensure proper contact between the rolling elements and raceways. Preloading offers several benefits that enhance the performance of cross roller bearings:

  • Increased Stiffness:
  • Preloading significantly increases the stiffness of the bearing system. By eliminating internal clearance, it minimizes the play or deflection between the rolling elements and raceways. This increased stiffness improves the rigidity of the bearing, allowing it to resist deformations and maintain precise positioning and alignment. The increased stiffness is particularly advantageous in applications that require high precision and stability, such as machine tools or robotic systems.

  • Reduced Elastic Deformation:
  • Preloading helps reduce elastic deformation within the bearing under load. When a load is applied to a bearing, elastic deformation can occur, resulting in a temporary change in the internal clearance. This can lead to inaccuracies in positioning and decreased performance. By applying preloading, the bearing is already under some initial load, reducing the elastic deformation when additional loads are applied. This minimizes the change in internal clearance, enhancing the accuracy and repeatability of the bearing system.

  • Improved Axial and Radial Stiffness:
  • Preloading enhances both the axial and radial stiffness of cross roller bearings. It improves the resistance to both axial and radial loads, ensuring better load distribution and load-carrying capacity. The increased stiffness helps to maintain the integrity of the bearing structure and minimize deflections or deformations, even under high loads or dynamic operating conditions. This results in improved performance, reduced vibration, and enhanced overall system stability.

  • Elimination of Clearance-Related Issues:
  • Preloading eliminates clearance-related issues that can affect the performance of cross roller bearings. Internal clearance in bearings can lead to backlash, which is undesirable in applications requiring precise motion control. Backlash can result in inaccuracies, positioning errors, and reduced responsiveness. By applying preloading, the clearance is eliminated, ensuring immediate and precise response to input forces or motion commands. This is crucial in applications such as robotics, where precise positioning and control are critical.

  • Enhanced System Rigidity:
  • By optimizing the stiffness and eliminating clearance, preloading enhances the overall rigidity of the bearing system. This increased rigidity improves the system’s ability to resist external disturbances, such as vibrations or shocks. It helps maintain the desired positioning and alignment of components, ensuring stability and accuracy. The enhanced system rigidity contributes to improved overall performance and reliability of the application.

  • Compensation for Wear:
  • Over time, normal wear and tear can lead to a slight increase in internal clearance in bearings. By applying preloading, the initial clearance is reduced, compensating for any potential wear. This helps to maintain the desired performance and accuracy of the bearing system even as it ages. Preloading can extend the effective service life of cross roller bearings by compensating for wear-related changes in internal clearance.

In summary, preloading plays a vital role in optimizing the performance of cross roller bearings. It increases stiffness, reduces elastic deformation, improves axial and radial stiffness, eliminates clearance-related issues, enhances system rigidity, and compensates for wear. By applying preloading, the bearing system achieves higher precision, better load distribution, improved stability, and increased reliability. It is essential to carefully determine and apply the appropriate preloading force based on the specific application requirements to achieve the desired performance benefits.

cross roller bearing

What are cross roller bearings and how are they used in various industrial applications?

Cross roller bearings are specialized types of roller bearings that utilize cylindrical rollers arranged in a cross configuration between inner and outer rings. This unique design allows for high radial, axial, and moment load capacities while maintaining a compact and space-saving profile. Cross roller bearings are commonly used in various industrial applications where precision, rigidity, and load-carrying capacity are critical. Here’s a detailed explanation of cross roller bearings and their uses in different industrial sectors:

  • Robotics and Automation:
  • Cross roller bearings are extensively used in robotics and automation systems. These bearings provide high rigidity and precision, making them suitable for robotic joints, rotary tables, and linear motion systems. They can handle complex loads and moments, enabling smooth and accurate movement in robotic applications. Cross roller bearings are also preferred in industrial automation equipment such as pick-and-place machines, assembly systems, and semiconductor manufacturing equipment.

  • Machine Tools:
  • In machine tool applications, where high precision and rigidity are essential, cross roller bearings find wide usage. They are commonly employed in spindle units, rotary tables, and indexing heads of milling machines, lathes, and grinding machines. Cross roller bearings offer excellent rotational accuracy, enabling superior machining performance and surface finish. Their compact design allows for space optimization, making them suitable for machine tools with limited installation space.

  • Medical and Optical Equipment:
  • Cross roller bearings play a crucial role in medical and optical equipment that requires precise movement and stability. They are used in medical imaging devices, such as CT scanners and MRI machines, where the bearings support rotating components with high accuracy. Cross roller bearings are also found in optical instruments like telescopes, camera lenses, and precision measuring instruments, ensuring smooth rotation and precise positioning of optical components.

  • Aerospace and Defense:
  • In the aerospace and defense sectors, cross roller bearings are utilized in critical applications that demand high load capacity, rigidity, and reliability. They are used in aircraft landing gear systems, missile guidance systems, radar antennas, and satellite communication systems. Cross roller bearings are favored for their ability to accommodate both radial and axial loads, making them suitable for aerospace and defense applications with varying load requirements.

  • Industrial Robotics and Material Handling:
  • Cross roller bearings are integral components in industrial robotics and material handling equipment. They are commonly used in articulated robot arms, linear actuators, and conveyor systems. Cross roller bearings enable precise and smooth motion control, supporting heavy loads and withstanding dynamic forces. Their high stiffness and load capacity enhance the reliability and productivity of industrial robots and material handling systems.

  • Scientific and Research Instruments:
  • Cross roller bearings find applications in various scientific and research instruments that require precise positioning and smooth operation. They are used in electron microscopes, spectrometers, telescopes, and other scientific equipment. Cross roller bearings contribute to the stability and accuracy of these instruments, ensuring precise measurements and observations in research and scientific investigations.

In summary, cross roller bearings are specialized roller bearings that offer high load-carrying capacity, rigidity, and precision. They find diverse applications in industries such as robotics and automation, machine tools, medical and optical equipment, aerospace and defense, industrial robotics and material handling, as well as scientific and research instruments. The unique design and performance characteristics of cross roller bearings make them indispensable in industrial sectors that require precise motion control, high load capacity, and compact form factors.

China factory Jewel/Original Koyo/Track Roller/Cross Roller/Blade/Eccentric/Thrust Ball/Twb/Spherical Roller/Self Aligning Roll/Engine Bearing/Auto Parts/Cuscinetti 32019   wholesalerChina factory Jewel/Original Koyo/Track Roller/Cross Roller/Blade/Eccentric/Thrust Ball/Twb/Spherical Roller/Self Aligning Roll/Engine Bearing/Auto Parts/Cuscinetti 32019   wholesaler
editor by CX 2024-04-03