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

29582 N/A 29500 N/A 2.3622 in60.000 mm N/A 1 in25.4 mm N/A 29400 lbf131000 N N/A 36300 lbf161000 N N/A
39582A N/A 39500 N/A 2.3622 in60.000 mm N/A 1.1875 in30.163 mm N/A 37500 lbf167000 N N/A 50300 lbf224000 N N/A
397 N/A 395 N/A 2.3622 in60.000 mm N/A 0.866 in21.996 mm N/A 22200 lbf98900 N N/A 28100 lbf125000 N N/A
3977 N/A 3900 N/A 2.3622 in60.000 mm N/A 1.183 in30.048 mm N/A 31200 lbf139000 N N/A 43000 lbf191000 N N/A
476 N/A 475 N/A 2.3622 in60.000 mm N/A 1.142 in29.007 mm N/A 32200 lbf143000 N N/A 41900 lbf186000 N N/A
6361 N/A 6300 N/A 2.3622 in60.000 mm N/A 2.205 in56.007 mm N/A 72300 lbf321000 N N/A 90900 lbf404000 N N/A
66585 N/A 66500 N/A 2.3622 in60.000 mm N/A 1.25 in31.75 mm N/A 41200 lbf183000 N N/A 39900 lbf178000 N N/A
66588 N/A 66500 N/A 2.3622 in60.000 mm N/A 1.25 in31.75 mm N/A 41200 lbf183000 N N/A 39900 lbf178000 N N/A
NA397 N/A N/A 2.3622 in60.000 mm N/A 1.03125 in26.194 mm N/A N/A N/A
NA476 N/A N/A 2.3622 in60.000 mm N/A 1.2813 in32.545 mm N/A N/A N/A
28985 N/A 28900 N/A 2.375 in60.325 mm N/A 1 in25.4 mm N/A 23800 lbf106000 N N/A 33500 lbf149000 N N/A
3960 N/A 3900 N/A 2.375 in60.325 mm N/A 1.4330 in36.398 mm N/A 31200 lbf139000 N N/A 43000 lbf191000 N N/A
3980 N/A 3900 N/A 2.375 in60.325 mm N/A 1.183 in30.048 mm N/A 31200 lbf139000 N N/A 43000 lbf191000 N N/A
557A N/A 555 N/A 2.375 in60.325 mm N/A 1.444 in36.678 mm N/A 42900 lbf191000 N N/A 55700 lbf248000 N N/A
558 N/A 555 N/A 2.375 in60.325 mm N/A 1.444 in36.678 mm N/A 50800 lbf226000 N N/A 55700 lbf248000 N N/A
5582 N/A 5500 N/A 2.375 in60.325 mm N/A 1.723 in43.764 mm N/A 63000 lbf280000 N N/A 73500 lbf327000 N N/A
5583 N/A 5500 N/A 2.375 in60.325 mm N/A 1.723 in43.764 mm N/A 63000 lbf280000 N N/A 73500 lbf327000 N N/A
5583V N/A 5500 N/A 2.375 in60.325 mm N/A 1.723 in43.764 mm N/A 63000 lbf280000 N N/A 73500 lbf327000 N N/A
558A N/A 555 N/A 2.375 in60.325 mm N/A 1.444 in36.678 mm N/A 42900 lbf191000 N N/A 55700 lbf248000 N N/A
637 N/A 635 N/A 2.375 in60.325 mm N/A 1.625 in41.275 mm N/A 52400 lbf233000 N N/A 67000 lbf298000 N N/A
6376 N/A 6300 N/A 2.375 in60.325 mm N/A 2.205 in56.007 mm N/A 72300 lbf321000 N N/A 90900 lbf404000 N N/A
65237 N/A 65000 N/A 2.375 in60.325 mm N/A 1.75 in44.45 mm N/A 54700 lbf243000 N N/A 66700 lbf297000 N N/A
65237A N/A 65000 N/A 2.375 in60.325 mm N/A 1.75 in44.45 mm N/A 54700 lbf243000 N N/A 66700 lbf297000 N N/A
78238 N/A 78000 N/A 2.375 in60.325 mm N/A 1.3085 in33.236 mm N/A 45600 lbf203000 N N/A 43400 lbf193000 N N/A
78238C N/A 78000C N/A 2.375 in60.325 mm N/A 1.3085 in33.236 mm N/A 53200 lbf237000 N N/A 52600 lbf234000 N N/A
Unit of Measure
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