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

65237A N/A 65000 N/A 2.3750 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 2.3750 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 2.3750 in60.325 mm N/A 1.3085 in33.236 mm N/A 53200 lbf237000 N N/A 52600 lbf234000 N N/A
9275 N/A 9200 N/A 2.3750 in60.325 mm N/A 1.8125 in46.038 mm N/A 66900 lbf298000 N N/A 74200 lbf330000 N N/A
H715332 N/A H715300 N/A 2.3750 in60.325 mm N/A 1.8125 in46.038 mm N/A 71700 lbf319000 N N/A 91000 lbf405000 N N/A
HH814542 N/A HH814500 N/A 2.3750 in60.325 mm N/A 2.0750 in52.705 mm N/A 79600 lbf354000 N N/A 101000 lbf451000 N N/A
HM212044 N/A N/A 2.3750 in60.325 mm N/A 1.51 in38.354 mm N/A 60000 lbf267000 N N/A 62700 lbf279000 N N/A
HM813841 N/A HM813800 N/A 2.3750 in60.325 mm N/A 1.4375 in36.513 mm N/A 51500 lbf229000 N N/A 57600 lbf256000 N N/A
HM813841A N/A HM813800 N/A 2.3750 in60.325 mm N/A 1.4375 in36.513 mm N/A 51500 lbf229000 N N/A 57600 lbf256000 N N/A
HM911245 N/A HM911200 N/A 2.3750 in60.325 mm N/A 1.3125 in33.338 mm N/A 44400 lbf198000 N N/A 41100 lbf183000 N N/A
NA558 N/A N/A 2.3750 in60.325 mm N/A 1.5625 in39.6875 mm N/A N/A N/A
NA558SW N/A N/A 2.3750 in60.325 mm N/A 1.5625 in39.6875 mm N/A N/A N/A
392 N/A 395 N/A 2 7/16 in61.913 mm N/A 0.866 in21.996 mm N/A 22200 lbf98900 N N/A 28100 lbf125000 N N/A
392A N/A 395 N/A 2 7/16 in61.913 mm N/A 0.866 in21.996 mm N/A 22200 lbf98900 N N/A 28100 lbf125000 N N/A
554 N/A 555 N/A 2 7/16 in61.913 mm N/A 1.444 in36.678 mm N/A 42900 lbf191000 N N/A 55700 lbf248000 N N/A
9178 N/A N/A 2 7/16 in61.913 mm N/A 2.0625 in52.388 mm N/A 64200 lbf285000 N N/A 68700 lbf306000 N N/A
9180 N/A N/A 2 7/16 in61.913 mm N/A 1.8125 in46.038 mm N/A 64200 lbf285000 N N/A 68700 lbf306000 N N/A
9181 N/A N/A 2 7/16 in61.913 mm N/A 1.8125 in46.038 mm N/A 64200 lbf285000 N N/A 68700 lbf306000 N N/A
H715334 N/A H715300 N/A 2 7/16 in61.913 mm N/A 1.8125 in46.038 mm N/A 71700 lbf319000 N N/A 91000 lbf405000 N N/A
H913842 N/A N/A 2 7/16 in61.913 mm N/A 1.5625 in39.688 mm N/A 61300 lbf273000 N N/A 57500 lbf256000 N N/A
H913843 N/A N/A 2 7/16 in61.913 mm N/A 1.5625 in39.688 mm N/A 61300 lbf273000 N N/A 57500 lbf256000 N N/A
HM813843 N/A HM813800 N/A 2 7/16 in61.913 mm N/A 1.4375 in36.513 mm N/A 51500 lbf229000 N N/A 57600 lbf256000 N N/A
HM911249 N/A HM911200 N/A 2 7/16 in61.913 mm N/A 1.3125 in33.338 mm N/A 44400 lbf198000 N N/A 41100 lbf183000 N N/A
28990 N/A 28900 N/A 2.4400 in61.976 mm N/A 0.9688 in24.608 mm N/A 23800 lbf106000 N N/A 33500 lbf149000 N N/A
28995 N/A 28900 N/A 2.47 in62.738 mm N/A 1.0000 in25.400 mm N/A 23800 lbf106000 N N/A 33500 lbf149000 N N/A
Unit of Measure
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