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

2878 N/A 2878 N/A 1.375 in34.925 mm N/A 0.9375 in23.813 mm N/A 16400 lbf73200 N N/A 18800 lbf83800 N N/A
31593 N/A 31500 N/A 1.375 in34.925 mm N/A 1.125 in28.575 mm N/A 21300 lbf94700 N N/A 24100 lbf107000 N N/A
31594 N/A 31500 N/A 1.375 in34.925 mm N/A 1.125 in28.575 mm N/A 21300 lbf94700 N N/A 24100 lbf107000 N N/A
335 N/A 335 N/A 1.375 in34.925 mm N/A 0.882 in22.403 mm N/A 21200 lbf94300 N N/A 18700 lbf83400 N N/A
3379 N/A 3300 N/A 1.375 in34.925 mm N/A 1.1965 in30.391 mm N/A 25800 lbf115000 N N/A 29100 lbf129000 N N/A
343 N/A 335 N/A 1.375 in34.925 mm N/A 0.882 in22.403 mm N/A 17900 lbf79500 N N/A 18700 lbf83400 N N/A
3478 N/A 3400 N/A 1.375 in34.925 mm N/A 1.1721 in29.771 mm N/A 23500 lbf105000 N N/A 26800 lbf119000 N N/A
3482 N/A 3400 N/A 1.375 in34.925 mm N/A 1.1721 in29.771 mm N/A 23500 lbf105000 N N/A 26800 lbf119000 N N/A
3581 N/A 3500 N/A 1.375 in34.925 mm N/A 1.216 in30.886 mm N/A 25500 lbf113000 N N/A 30100 lbf134000 N N/A
36137 N/A N/A 1.375 in34.925 mm N/A 1.1750 in29.845 mm N/A 22500 lbf99900 N N/A 24900 lbf111000 N N/A
3872 N/A 3800 N/A 1.375 in34.925 mm N/A 1.1875 in30.163 mm N/A 27900 lbf124000 N N/A 33200 lbf148000 N N/A
3872A N/A 3800 N/A 1.375 in34.925 mm N/A 1.1875 in30.163 mm N/A 27900 lbf124000 N N/A 33200 lbf148000 N N/A
417 N/A N/A 1.375 in34.925 mm N/A 1.145 in29.083 mm N/A 26000 lbf116000 N N/A 28000 lbf124000 N N/A
43137X N/A 43000 N/A 1.375 in34.925 mm N/A 0.9478 in24.074 mm N/A 16200 lbf71900 N N/A 17100 lbf76200 N N/A
4368 N/A N/A 1.375 in34.925 mm N/A 1.5900 in40.386 mm N/A 44700 lbf199000 N N/A 45900 lbf204000 N N/A
449 N/A 435 N/A 1.375 in34.925 mm N/A 1.1772 in29.901 mm N/A 28500 lbf127000 N N/A 32400 lbf144000 N N/A
HM88649 N/A N/A 1.375 in34.925 mm N/A 1 in25.4 mm N/A 17300 lbf76800 N N/A 21200 lbf94200 N N/A
HM88649A N/A N/A 1.375 in34.925 mm N/A 1 in25.4 mm N/A 17300 lbf76800 N N/A 21200 lbf94200 N N/A
HM88649H N/A N/A 1.375 in34.925 mm N/A 1 in25.4 mm N/A 20500 lbf91000 N N/A 21200 lbf94200 N N/A
HM89446 N/A HM89400 N/A 1.375 in34.925 mm N/A 1.125 in28.575 mm N/A 24800 lbf110000 N N/A 26700 lbf119000 N N/A
HM89446A N/A HM89400 N/A 1.375 in34.925 mm N/A 1.125 in28.575 mm N/A 24800 lbf110000 N N/A 26700 lbf119000 N N/A
LM48548 N/A LM48500 N/A 1.375 in34.925 mm N/A 0.72 in18.288 mm N/A 14500 lbf64600 N N/A 14200 lbf63100 N N/A
LM48548A N/A LM48500 N/A 1.375 in34.925 mm N/A 0.72 in18.288 mm N/A 14500 lbf64600 N N/A 14200 lbf63100 N N/A
LM48548AS N/A LM48500 N/A 1.375 in34.925 mm N/A 0.72 in18.288 mm N/A 14500 lbf64600 N N/A 14200 lbf63100 N N/A
LM48548C N/A LM48500 N/A 1.375 in34.925 mm N/A 0.72 in18.288 mm N/A 14500 lbf64600 N N/A 14200 lbf63100 N N/A
Unit of Measure
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