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

6382 N/A 6300 N/A 2.5 in63.5 mm N/A 2.205 in56.007 mm N/A 72300 lbf321000 N N/A 90900 lbf404000 N N/A
639 N/A 635 N/A 2.5 in63.5 mm N/A 1.625 in41.275 mm N/A 62100 lbf276000 N N/A 67000 lbf298000 N N/A
6475 N/A 6400 N/A 2.5 in63.5 mm N/A 2.135 in54.229 mm N/A 92400 lbf411000 N N/A 104000 lbf463000 N N/A
745-S N/A 745 N/A 2.5 in63.5 mm N/A 1.8375 in46.673 mm N/A 84700 lbf377000 N N/A 93800 lbf417000 N N/A
78248C N/A 78000C N/A 2.5 in63.5 mm N/A 1.3085 in33.236 mm N/A 53200 lbf237000 N N/A 52600 lbf234000 N N/A
78250 N/A 78000 N/A 2.5 in63.5 mm N/A 1.3085 in33.236 mm N/A 45600 lbf203000 N N/A 43400 lbf193000 N N/A
78250AC N/A 78000C N/A 2.5 in63.5 mm N/A 1.3085 in33.236 mm N/A 53200 lbf237000 N N/A 52600 lbf234000 N N/A
H414235 N/A H414200 N/A 2.5 in63.5 mm N/A 1.625 in41.275 mm N/A 72600 lbf323000 N N/A 75400 lbf335000 N N/A
H414236 N/A H414200 N/A 2.5 in63.5 mm N/A 1.625 in41.275 mm N/A 61200 lbf272000 N N/A 75400 lbf335000 N N/A
H715336 N/A H715300 N/A 2.5 in63.5 mm N/A 1.8125 in46.038 mm N/A 71700 lbf319000 N N/A 91000 lbf405000 N N/A
HH914447 N/A N/A 2.5 in63.5 mm N/A 2.125 in53.975 mm N/A 101000 lbf451000 N N/A 92900 lbf413000 N N/A
HM212046 N/A N/A 2.5 in63.5 mm N/A 1.51 in38.354 mm N/A 60000 lbf267000 N N/A 62700 lbf279000 N N/A
HM212046C N/A N/A 2.5 in63.5 mm N/A 1.51 in38.354 mm N/A 54900 lbf244000 N N/A 62700 lbf279000 N N/A
HM212047 N/A N/A 2.5 in63.5 mm N/A 1.51 in38.354 mm N/A 60000 lbf267000 N N/A 62700 lbf279000 N N/A
HM813842 N/A HM813800 N/A 2.5 in63.5 mm N/A 1.4375 in36.513 mm N/A 51500 lbf229000 N N/A 57600 lbf256000 N N/A
HM813842A N/A HM813800 N/A 2.5 in63.5 mm N/A 1.4375 in36.513 mm N/A 51500 lbf229000 N N/A 57600 lbf256000 N N/A
K3982 N/A 3900 N/A 2.5 in63.5 mm N/A 1.183 in30.048 mm N/A 37000 lbf165000 N N/A 43000 lbf191000 N N/A
L610549 N/A L610500 N/A 2.5 in63.5 mm N/A 0.75 in19.05 mm N/A 15100 lbf67000 N N/A 24300 lbf108000 N N/A
LL510749 N/A N/A 2.5 in63.5 mm N/A 0.5 in12.7 mm N/A 8700 lbf38700 N N/A 12000 lbf53300 N N/A
M111048 N/A N/A 2.5 in63.5 mm N/A 1.0200 in25.908 mm N/A 28700 lbf128000 N N/A 37500 lbf167000 N N/A
NA78250 N/A N/A 2.5 in63.5 mm N/A 1.53125 in38.894 mm N/A N/A N/A
6464 N/A 6400 N/A 2.5575 in64.961 mm N/A 2.135 in54.229 mm N/A 92400 lbf411000 N N/A 104000 lbf463000 N N/A
656 N/A 655 N/A 2.5575 in64.961 mm N/A 1.625 in41.275 mm N/A 55500 lbf247000 N N/A 75300 lbf335000 N N/A
747-S N/A 745 N/A 2.5575 in64.961 mm N/A 1.8375 in46.673 mm N/A 71400 lbf318000 N N/A 93800 lbf417000 N N/A
569 N/A 565 N/A 2.5576 in64.963 mm N/A 1.424 in36.17 mm N/A 44100 lbf196000 N N/A 58900 lbf262000 N N/A
Unit of Measure
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