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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Available in single, double, and multi-row configurations as well as proprietary sizes, these bearings are developed in collaboration with OE engineers to deliver premium performance across various applications. Their power-dense designs support heavier loads and help extend bearing life, while optimized internal geometry reduces torque and operating temperatures to prolong lubrication system life. Additionally, they can be engineered with proprietary enhancements to withstand highly corrosive conditions, high temperatures, vacuum environments, or situations with limited lubrication.
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

52387P / 52630X N/A 3.8750 in98.425 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 59500 lbf265000 N N/A 77000 lbf343000 N N/A 52000 N/A
52387 / 52630X N/A 3.8750 in98.425 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
52387 / 52637 N/A 3.8750 in98.425 mm N/A 6.3750 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
52387P / 52637 N/A 3.8750 in98.425 mm N/A 6.3750 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 59500 lbf265000 N N/A 77000 lbf343000 N N/A 52000 N/A
52387W / 52637 N/A 3.8750 in98.425 mm N/A 6.3750 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
52387 / 52638 N/A 3.8750 in98.425 mm N/A 6.3750 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
52387P / 52638 N/A 3.8750 in98.425 mm N/A 6.3750 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 59500 lbf265000 N N/A 77000 lbf343000 N N/A 52000 N/A
52387W / 52638 N/A 3.8750 in98.425 mm N/A 6.3750 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
52387P / 52639 N/A 3.8750 in98.425 mm N/A 6.3750 in161.925 mm N/A 1.4219 in36.116 mm N/A 1.5625 in39.688 mm N/A 1.6250 in41.275 mm N/A 59500 lbf265000 N N/A 77000 lbf343000 N N/A 52000 N/A
52387 / 52639 N/A 3.8750 in98.425 mm N/A 6.3750 in161.925 mm N/A 1.4219 in36.116 mm N/A 1.5625 in39.688 mm N/A 1.6250 in41.275 mm N/A 50200 lbf223000 N N/A 77000 lbf343000 N N/A 52000 N/A
52387W / 52639 N/A 3.8750 in98.425 mm N/A 6.3750 in161.925 mm N/A 1.4219 in36.116 mm N/A 1.5625 in39.688 mm N/A 1.6250 in41.275 mm N/A 50200 lbf223000 N N/A 77000 lbf343000 N N/A 52000 N/A
685 / 672 N/A 3.8750 in98.425 mm N/A 6.6250 in168.275 mm N/A 1.625 in41.275 mm N/A 1.1875 in30.163 mm N/A 1.6250 in41.275 mm N/A 59500 lbf265000 N N/A 86700 lbf386000 N N/A 675 N/A
685 / 672A N/A 3.8750 in98.425 mm N/A 6.6250 in168.275 mm N/A 1.625 in41.275 mm N/A 1.375 in34.925 mm N/A 1.6250 in41.275 mm N/A 59500 lbf265000 N N/A 86700 lbf386000 N N/A 675 N/A
685 / 672P N/A 3.8750 in98.425 mm N/A 6.6250 in168.275 mm N/A 1.625 in41.275 mm N/A 1.1875 in30.163 mm N/A 1.6250 in41.275 mm N/A 59500 lbf265000 N N/A 86700 lbf386000 N N/A 675 N/A
685-90045 N/A 3.8750 in98.425 mm N/A 6.6250 in168.275 mm N/A 1.625 in41.275 mm N/A 1.1875 in30.163 mm N/A 1.6250 in41.275 mm N/A 59500 lbf265000 N N/A 86700 lbf386000 N N/A 675 N/A
685 / 673 N/A 3.8750 in98.425 mm N/A 6.6919 in169.974 mm N/A 1.625 in41.275 mm N/A 1.1875 in30.163 mm N/A 1.6250 in41.275 mm N/A 59500 lbf265000 N N/A 86700 lbf386000 N N/A 675 N/A
685 / 674 N/A 3.8750 in98.425 mm N/A 6.7500 in171.450 mm N/A 1.625 in41.275 mm N/A 1.1875 in30.163 mm N/A 1.6250 in41.275 mm N/A 59500 lbf265000 N N/A 86700 lbf386000 N N/A 675 N/A
779 / 772A N/A 3.8750 in98.425 mm N/A 6.875 in174.625 mm N/A 1.89 in48.006 mm N/A 1.5 in38.1 mm N/A 1.8751 in47.628 mm N/A 77800 lbf346000 N N/A 111000 lbf495000 N N/A 775 N/A
779 / 773 N/A 3.8750 in98.425 mm N/A 7.0866 in180 mm N/A 1.89 in48.006 mm N/A 1.5748 in40 mm N/A 1.8898 in48.001 mm N/A 77800 lbf346000 N N/A 111000 lbf495000 N N/A 775 N/A
779 / 772 N/A 3.8750 in98.425 mm N/A 7.1250 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
HH421246C / HH421210 N/A 3.8750 in98.425 mm N/A 7.2500 in184.150 mm N/A 2.5 in63.5 mm N/A 2.0625 in52.388 mm N/A 2.5000 in63.500 mm N/A 141000 lbf628000 N N/A 174000 lbf772000 N N/A HH421200 N/A
HH421246CV / HH421210 N/A 3.8750 in98.425 mm N/A 7.2500 in184.150 mm N/A 2.5 in63.5 mm N/A 2.0625 in52.388 mm N/A 2.5001 in63.503 mm N/A 141000 lbf628000 N N/A 174000 lbf772000 N N/A HH421200 N/A
HH421246C / HH421210V N/A 3.8750 in98.425 mm N/A 7.2500 in184.150 mm N/A 2.5 in63.5 mm N/A 2.0625 in52.388 mm N/A 2.5001 in63.503 mm N/A 141000 lbf628000 N N/A 174000 lbf772000 N N/A HH421200 N/A
866 / 852 N/A 3.8750 in98.425 mm N/A 7.5 in190.5 mm N/A 2.2650 in57.531 mm N/A 1.875 in47.625 mm N/A 2.2501 in57.153 mm N/A 103000 lbf458000 N N/A 142000 lbf630000 N N/A 855 N/A
866 / 854 N/A 3.8750 in98.425 mm N/A 7.5 in190.5 mm N/A 2.2650 in57.531 mm N/A 1.7500 in44.450 mm N/A 2.2501 in57.153 mm N/A 103000 lbf458000 N N/A 142000 lbf630000 N N/A 855 N/A
Unit of Measure
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