The Timken Company
The Timken Company
4500 Mt Pleasant St. NW
N. Canton, OH 44720
Phone: (234) 262-3000
E-Mail: CustomerCAD@timken.com • Web site: www.timken.com
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Key Features

  • Available in single, double and multi-row configurations, as well as proprietary sizes
  • Designed in collaboration with OE engineers to design, engineer and test bearings for premium performance in many applications
  • Power dense designs allow for heavier loads and can help extend bearing life
  • Optimized internal geometry lowers torque and operating temperatures to extend lubrication system life
  • Can be designed to withstand high-corrosive, high-temperature and vacuum or low-lubrication environments with proprietary enhancements
Timken_TRB_1ROWASSY_TS_32005X-90KA1-A
TRB TS Line Drawing
Unit of Measure
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Part Number

Bore (d)

O.D. (D)

Inner Ring Width (B)

Outer Ring Width (C)

Width (T)

Dynamic Radial Load Rating - 1M Revs (C1)

Static Radial Load Rating (C0)

Series

CAD

52401 / 52630X N/A 4 in101.6 mm N/A 6.2992 in160.000 mm N/A 1.4219 in36.116 mm N/A 1.0313 in26.195 mm N/A 1.4375 in36.513 mm N/A 50200 lbf223000 N N/A 77000 lbf343000 N N/A 52000 N/A
52400A / 52630X N/A 4 in101.6 mm N/A 6.2992 in160.000 mm N/A 1.4219 in36.116 mm N/A 1.0313 in26.195 mm N/A 1.4375 in36.513 mm N/A 50200 lbf223000 N N/A 77000 lbf343000 N N/A 52000 N/A
52401 / 52637 N/A 4 in101.6 mm N/A 6.375 in161.925 mm N/A 1.4219 in36.116 mm N/A 1.0313 in26.195 mm N/A 1.4375 in36.513 mm N/A 50200 lbf223000 N N/A 77000 lbf343000 N N/A 52000 N/A
52400W / 52637 N/A 4 in101.6 mm N/A 6.375 in161.925 mm N/A 1.4219 in36.116 mm N/A 1.0313 in26.195 mm N/A 1.4375 in36.513 mm N/A 50200 lbf223000 N N/A 77000 lbf343000 N N/A 52000 N/A
52400 / 52637 N/A 4 in101.6 mm N/A 6.375 in161.925 mm N/A 1.4219 in36.116 mm N/A 1.0313 in26.195 mm N/A 1.4375 in36.513 mm N/A 50200 lbf223000 N N/A 77000 lbf343000 N N/A 52000 N/A
52400A / 52637 N/A 4 in101.6 mm N/A 6.375 in161.925 mm N/A 1.4219 in36.116 mm N/A 1.0313 in26.195 mm N/A 1.4375 in36.513 mm N/A 50200 lbf223000 N N/A 77000 lbf343000 N N/A 52000 N/A
52400A / 52638 N/A 4 in101.6 mm N/A 6.375 in161.925 mm N/A 1.4219 in36.116 mm N/A 1.1563 in29.370 mm N/A 1.5625 in39.688 mm N/A 50200 lbf223000 N N/A 77000 lbf343000 N N/A 52000 N/A
52401 / 52638 N/A 4 in101.6 mm N/A 6.375 in161.925 mm N/A 1.4219 in36.116 mm N/A 1.1563 in29.370 mm N/A 1.5625 in39.688 mm N/A 50200 lbf223000 N N/A 77000 lbf343000 N N/A 52000 N/A
52400 / 52638 N/A 4 in101.6 mm N/A 6.375 in161.925 mm N/A 1.4219 in36.116 mm N/A 1.1563 in29.370 mm N/A 1.5625 in39.688 mm N/A 50200 lbf223000 N N/A 77000 lbf343000 N N/A 52000 N/A
52400W / 52638 N/A 4 in101.6 mm N/A 6.375 in161.925 mm N/A 1.4219 in36.116 mm N/A 1.1563 in29.370 mm N/A 1.5625 in39.688 mm N/A 50200 lbf223000 N N/A 77000 lbf343000 N N/A 52000 N/A
52400A / 52639 N/A 4 in101.6 mm N/A 6.375 in161.925 mm N/A 1.4219 in36.116 mm N/A 1.5625 in39.688 mm N/A 1.625 in41.275 mm N/A 50200 lbf223000 N N/A 77000 lbf343000 N N/A 52000 N/A
52400W / 52639 N/A 4 in101.6 mm N/A 6.375 in161.925 mm N/A 1.4219 in36.116 mm N/A 1.5625 in39.688 mm N/A 1.625 in41.275 mm N/A 50200 lbf223000 N N/A 77000 lbf343000 N N/A 52000 N/A
52400 / 52639 N/A 4 in101.6 mm N/A 6.375 in161.925 mm N/A 1.4219 in36.116 mm N/A 1.5625 in39.688 mm N/A 1.625 in41.275 mm N/A 50200 lbf223000 N N/A 77000 lbf343000 N N/A 52000 N/A
52401 / 52639 N/A 4 in101.6 mm N/A 6.375 in161.925 mm N/A 1.4219 in36.116 mm N/A 1.5625 in39.688 mm N/A 1.625 in41.275 mm N/A 50200 lbf223000 N N/A 77000 lbf343000 N N/A 52000 N/A
687 / 672 N/A 4 in101.6 mm N/A 6.625 in168.275 mm N/A 1.625 in41.275 mm N/A 1.1875 in30.163 mm N/A 1.625 in41.275 mm N/A 59500 lbf265000 N N/A 86700 lbf386000 N N/A 675 N/A
687P / 672 N/A 4 in101.6 mm N/A 6.625 in168.275 mm N/A 1.625 in41.275 mm N/A 1.1875 in30.163 mm N/A 1.625 in41.275 mm N/A 70500 lbf314000 N N/A 86700 lbf386000 N N/A 675 N/A
687 / 672A N/A 4 in101.6 mm N/A 6.625 in168.275 mm N/A 1.625 in41.275 mm N/A 1.375 in34.925 mm N/A 1.625 in41.275 mm N/A 59500 lbf265000 N N/A 86700 lbf386000 N N/A 675 N/A
687P / 672A N/A 4 in101.6 mm N/A 6.625 in168.275 mm N/A 1.625 in41.275 mm N/A 1.375 in34.925 mm N/A 1.625 in41.275 mm N/A 70500 lbf314000 N N/A 86700 lbf386000 N N/A 675 N/A
687P-99401 N/A 4 in101.6 mm N/A 6.625 in168.275 mm N/A 1.625 in41.275 mm N/A 1.1875 in30.163 mm N/A 1.625 in41.275 mm N/A 70500 lbf314000 N N/A 86700 lbf386000 N N/A 675 N/A
687 / 672P N/A 4 in101.6 mm N/A 6.625 in168.275 mm N/A 1.625 in41.275 mm N/A 1.1875 in30.163 mm N/A 1.625 in41.275 mm N/A 59500 lbf265000 N N/A 86700 lbf386000 N N/A 675 N/A
687P / 673 N/A 4 in101.6 mm N/A 6.6919 in169.974 mm N/A 1.625 in41.275 mm N/A 1.1875 in30.163 mm N/A 1.625 in41.275 mm N/A 70500 lbf314000 N N/A 86700 lbf386000 N N/A 675 N/A
687 / 673 N/A 4 in101.6 mm N/A 6.6919 in169.974 mm N/A 1.625 in41.275 mm N/A 1.1875 in30.163 mm N/A 1.625 in41.275 mm N/A 59500 lbf265000 N N/A 86700 lbf386000 N N/A 675 N/A
687P / 674 N/A 4 in101.6 mm N/A 6.75 in171.45 mm N/A 1.625 in41.275 mm N/A 1.1875 in30.163 mm N/A 1.625 in41.275 mm N/A 70500 lbf314000 N N/A 86700 lbf386000 N N/A 675 N/A
687 / 674 N/A 4 in101.6 mm N/A 6.75 in171.45 mm N/A 1.625 in41.275 mm N/A 1.1875 in30.163 mm N/A 1.625 in41.275 mm N/A 59500 lbf265000 N N/A 86700 lbf386000 N N/A 675 N/A
780 / 772 N/A 4 in101.6 mm N/A 7.125 in180.975 mm N/A 1.89 in48.006 mm N/A 1.5 in38.1 mm N/A 1.875 in47.625 mm N/A 77800 lbf346000 N N/A 111000 lbf495000 N N/A 775 N/A
Unit of Measure
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