XU High Torque Cross Roller Bearing

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XU High Torque Cross Roller Bearing

XU high-torque crossed roller bearings (inner and outer ring type) have pre-machined mounting holes, eliminating the need for fixed flanges and support seats. Furthermore, due to the integrated inner and outer ring structure with mounting, installation has almost no impact on performance, thus achieving stable rotational accuracy and torque. Suitable for both outer and inner ring rotation.

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Product Features
1. Accuracy up to P4 and P2 grades;
2. High rigidity: All bearings in this series are preloaded;
3. High load capacity: Can withstand axial loads, radial loads, and overturning loads;
4. Compact size: This bearing is compact, saving space in the machine tool.
5. Large-size high-load, high-precision bearings with mounting holes.

Product Applications
CNC machine tools, industrial robots, CNC rotary tables, CNC vertical lathes, precision rotary tables, testing instruments, precision equipment, joints and rotating parts of industrial robots, precision rotary worktables, medical machines, calculators, IC manufacturing equipment, etc.

 Bearing NO. Drawing
Number		 Weight
kg		 Dimensions(mm)
Da Dazt     di      dizr Di da H      h T t
  XU050077 1  1  112    - 40    - 77.5  74  22  21  - -
  XU060094 1  2  140    - 57    - 94.6  93.4  26  25  - -
  XU060111 2  1  145.79    - 76.2    - 11.8    - 15.  87  - - -
  XU080120 3  4  170    - 69    - 120.6  119.4  30  - - -
  XU080149 4  4  196.85    - 101.6    - 149.6  - 22.  2222.22  - -
  XU120179 5  7  234  232   124.5  126.5  180±0.2 178±0.2 35  30  5  5 
  XU120222 6  12  300  -  140  - 224  220  36  30  - -
  XU160260 5  16  329  327   191  193  261  259  46  41  7  7 
  XU080264 7  7  311  -  216  - 265  263  25  25  - -
  XU160405 5  25  474  472   336  338  406  404  26  41  7  7 
  XU080430 8  12  480  -  380  - 431  429  26  26  - -
  XU300515 5  115  646  644   384  386  516  514  86  79  12  12 

Bearing NO. Weight Installation Dimensions
Kg Da di La dB na Li H h da Di
XU160220 16  302  138  270  18  10  170  46  41  219  221 
XU180380 45  485  275  453  18  16  307  55  50  379  381 
XU180412 40  501  324  469  18  18  356  55  50  411  413 
XU180433 42  522  344  490  18  20  376  55  50  432  434 
XU220460 64  568  356  524  22  18  396  64  59  459  461 
XU180475 46  562  388  530  18  20  420  55  50  474  476 
XU240545 94  655  435  615  22  24  475  79  72  544  546 
XU220574 82  680  468  640  22  20  508  68  61  573  575 
XU300586 115  704  468  664  22  36  508  86  79  585  587 
XU280680 120  795  565  755  22  30  605  79  72  679  681 
XU300785 155  900  670  860  22  36  710  86  79  784  786 
XU260823 140  933  713  893  22  36  753  79  72  822  824 
XU160897 67  976  818  944  18  36  850  50  43  896  898 

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Engineering the Future of Motion
About UKL
Founded in 2020, UKL Bearing Manufacturing Co., Ltd. (Wuxi) is China XU High Torque Cross Roller Bearing suppliers and OEM/ODM XU High Torque Cross Roller Bearing company, an integrated industrial and trading enterprise that focuses on precision manufacturing, combining R&D, production, and sales.
The company specializes in high-performance bearing solutions, providing technical support for global industries with exceptionally high demands for precision and reliability.

With more than 200 skilled professionals and a fully modernized production base, UKL’s facilities cover the entire manufacturing process — forging, annealing, turning, heat treatment, grinding, and automated assembly.
Leveraging over 15 years of OEM/ODM export experience, UKL responds quickly to customer needs, offering flexible and customized services for clients across Europe, Asia, Africa, and the Middle East.

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