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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This is the most basic and most widely used type of tapered roller bearing. It consists of two main separable parts: the cone (inner ring) assembly and the cup (outer ring). It is typically mounted in opposing pairs on a shaft.
Timken_TRB_SINGLECONE_TS
TRB TS Cone Line Drawing
Unit of Measure
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Part Number

Series

Bore (d)

Inner Ring Width (B)

Dynamic Radial Load Rating - 1M Revs (C1) 

Static Radial Load Rating (C0)

CAD

157 N/A N/A 0.7874 in20 mm N/A 0.6380 in16.205 mm N/A 8430 lbf37500 N N/A 8690 lbf38700 N N/A
09081 N/A 09000 N/A 0.8120 in20.625 mm N/A 0.8480 in21.539 mm N/A 9630 lbf42800 N N/A 9100 lbf40500 N N/A
1778 N/A 1700 N/A 0.8121 in20.627 mm N/A 0.781 in19.837 mm N/A 10200 lbf45400 N N/A 10200 lbf45300 N N/A
12580 N/A N/A 0.8125 in20.638 mm N/A 0.7813 in19.845 mm N/A 9810 lbf43600 N N/A 9720 lbf43200 N N/A
3660 N/A 3600 N/A 0.8125 in20.638 mm N/A 1.1975 in30.417 mm N/A 19900 lbf88600 N N/A 20200 lbf89800 N N/A
KM12649 N/A N/A 0.8437 in21.43 mm N/A 0.72 in18.288 mm N/A 9900 lbf44100 N N/A 9780 lbf43500 N N/A
M12649 N/A N/A 0.8437 in21.43 mm N/A 0.72 in18.288 mm N/A 11700 lbf52200 N N/A 9780 lbf43500 N N/A
M12649X N/A N/A 0.8437 in21.43 mm N/A 0.72 in18.288 mm N/A 9170 lbf40800 N N/A 9780 lbf43500 N N/A
LM12749 N/A N/A 0.8656 in21.986 mm N/A 0.655 in16.637 mm N/A 8680 lbf38600 N N/A 7930 lbf35300 N N/A
LM12749F N/A N/A 0.8656 in21.986 mm N/A 0.655 in16.637 mm N/A 8680 lbf38600 N N/A 7930 lbf35300 N N/A
07087 N/A 07000 N/A 0.875 in22.225 mm N/A 0.5614 in14.260 mm N/A 6540 lbf29100 N N/A 6650 lbf29600 N N/A
07087X N/A 07000 N/A 0.875 in22.225 mm N/A 0.5614 in14.260 mm N/A 6540 lbf29100 N N/A 6650 lbf29600 N N/A
1280 N/A N/A 0.875 in22.225 mm N/A 0.875 in22.225 mm N/A 12400 lbf55300 N N/A 12400 lbf55100 N N/A
1380 N/A 1300 N/A 0.875 in22.225 mm N/A 0.794 in20.168 mm N/A 10800 lbf47900 N N/A 10900 lbf48300 N N/A
1380H N/A 1300 N/A 0.875 in22.225 mm N/A 0.794 in20.168 mm N/A 12800 lbf56700 N N/A 10900 lbf48300 N N/A
1755 N/A 1700 N/A 0.875 in22.225 mm N/A 0.781 in19.837 mm N/A 10200 lbf45400 N N/A 10200 lbf45300 N N/A
1975 N/A 1900 N/A 0.875 in22.225 mm N/A 0.762 in19.355 mm N/A 10900 lbf48400 N N/A 11300 lbf50200 N N/A
2380 N/A N/A 0.875 in22.225 mm N/A 0.9750 in24.765 mm N/A 14300 lbf63700 N N/A 13900 lbf62000 N N/A
246X N/A N/A 0.875 in22.225 mm N/A 0.7480 in18.999 mm N/A 10800 lbf48200 N N/A 11100 lbf49200 N N/A
2684 N/A 2600 N/A 0.875 in22.225 mm N/A 1.0013 in25.433 mm N/A 17200 lbf76600 N N/A 18400 lbf81700 N N/A
320 N/A N/A 0.875 in22.225 mm N/A 0.8730 in22.174 mm N/A 16800 lbf74900 N N/A 16800 lbf74800 N N/A
3655 N/A 3600 N/A 0.875 in22.225 mm N/A 1.51 in38.354 mm N/A 19900 lbf88600 N N/A 20200 lbf89800 N N/A
LL52549 N/A N/A 0.875 in22.225 mm N/A 0.4400 in11.176 mm N/A 3730 lbf16600 N N/A 3770 lbf16800 N N/A
M12648 N/A N/A 0.875 in22.225 mm N/A 0.72 in18.288 mm N/A 11700 lbf52200 N N/A 9780 lbf43500 N N/A
M12648A N/A N/A 0.875 in22.225 mm N/A 0.72 in18.288 mm N/A 11700 lbf52200 N N/A 9780 lbf43500 N N/A
Unit of Measure
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