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

52401 / 52639 N/A 4.0000 in101.600 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
687 / 672 N/A 4.0000 in101.600 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
687P / 672 N/A 4.0000 in101.600 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 70500 lbf314000 N N/A 86700 lbf386000 N N/A 675 N/A
687 / 672A N/A 4.0000 in101.600 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
687P / 672A N/A 4.0000 in101.600 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 70500 lbf314000 N N/A 86700 lbf386000 N N/A 675 N/A
687P-99401 N/A 4.0000 in101.600 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 70500 lbf314000 N N/A 86700 lbf386000 N N/A 675 N/A
687 / 672P N/A 4.0000 in101.600 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
687P / 673 N/A 4.0000 in101.600 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 70500 lbf314000 N N/A 86700 lbf386000 N N/A 675 N/A
687 / 673 N/A 4.0000 in101.600 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
687P / 674 N/A 4.0000 in101.600 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 70500 lbf314000 N N/A 86700 lbf386000 N N/A 675 N/A
687 / 674 N/A 4.0000 in101.600 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
780 / 772A N/A 4.0000 in101.600 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
780W / 772A N/A 4.0000 in101.600 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
LM921845 / LM921810 N/A 4.0000 in101.600 mm N/A 7.0000 in177.800 mm N/A 1.25 in31.75 mm N/A 0.7500 in19.050 mm N/A 1.375 in34.925 mm N/A 38300 lbf170000 N N/A 49200 lbf219000 N N/A LM921800 N/A
780 / 773 N/A 4.0000 in101.600 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
780W / 773 N/A 4.0000 in101.600 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
780 / 772 N/A 4.0000 in101.600 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
780W / 772 N/A 4.0000 in101.600 mm N/A 7.1250 in180.975 mm N/A 1.89 in48.006 mm N/A 1.5 in38.1 mm N/A 1.8751 in47.628 mm N/A 77800 lbf346000 N N/A 111000 lbf495000 N N/A 775 N/A
861 / 852 N/A 4.0000 in101.600 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
861 / 854 N/A 4.0000 in101.600 mm N/A 7.5 in190.5 mm N/A 2.2650 in57.531 mm N/A 1.7500 in44.450 mm N/A 2.2500 in57.150 mm N/A 103000 lbf458000 N N/A 142000 lbf630000 N N/A 855 N/A
861 / 854V N/A 4.0000 in101.600 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
HH221449 / HH221410 N/A 4.0000 in101.600 mm N/A 7.5 in190.5 mm N/A 2.2650 in57.531 mm N/A 1.8125 in46.038 mm N/A 2.2500 in57.150 mm N/A 120000 lbf534000 N N/A 156000 lbf692000 N N/A HH221400 N/A
HH221449A / HH221410 N/A 4.0000 in101.600 mm N/A 7.5 in190.5 mm N/A 2.2650 in57.531 mm N/A 1.8125 in46.038 mm N/A 2.2500 in57.150 mm N/A 120000 lbf534000 N N/A 156000 lbf692000 N N/A HH221400 N/A
HH221449XX / HH221410 N/A 4.0000 in101.600 mm N/A 7.5 in190.5 mm N/A 2.2650 in57.531 mm N/A 1.8125 in46.038 mm N/A 2.2501 in57.153 mm N/A 142000 lbf633000 N N/A 156000 lbf692000 N N/A HH221400 N/A
HH221449A / HH221410XX N/A 4.0000 in101.600 mm N/A 7.5 in190.5 mm N/A 2.2650 in57.531 mm N/A 1.8125 in46.038 mm N/A 2.2501 in57.153 mm N/A 120000 lbf534000 N N/A 156000 lbf692000 N N/A HH221400 N/A
Unit of Measure
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