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

577 N/A 575 N/A 2.9375 in74.613 mm N/A 1.4212 in36.098 mm N/A 46500 lbf207000 N N/A 65400 lbf291000 N N/A
658 N/A 655 N/A 2.9375 in74.613 mm N/A 1.625 in41.275 mm N/A 55500 lbf247000 N N/A 75300 lbf335000 N N/A
34294 N/A 34000 N/A 2.9518 in74.976 mm N/A 0.906 in23.012 mm N/A 23000 lbf102000 N N/A 30600 lbf136000 N N/A
42686 N/A 42600 N/A 2.9523 in74.988 mm N/A 1.2205 in31.001 mm N/A 36200 lbf161000 N N/A 49800 lbf222000 N N/A
497X N/A 495 N/A 2.9528 in75.001 mm N/A 1.172 in29.769 mm N/A 32800 lbf146000 N N/A 48600 lbf216000 N N/A
HM215249 N/A N/A 2.9916 in75.987 mm N/A 1.5354 in38.999 mm N/A 53900 lbf240000 N N/A 72800 lbf324000 N N/A
KHM215249 N/A N/A 2.9916 in75.987 mm N/A 1.5354 in38.999 mm N/A 58400 lbf260000 N N/A 72800 lbf324000 N N/A
34299X N/A 34000 N/A 2.9921 in75.999 mm N/A 0.906 in23.012 mm N/A 21300 lbf94600 N N/A 30600 lbf136000 N N/A
27684 N/A 27600 N/A 3 in76.2 mm N/A 1 in25.4 mm N/A 26300 lbf117000 N N/A 39900 lbf178000 N N/A
27684A N/A 27600 N/A 3 in76.2 mm N/A 1 in25.4 mm N/A 24900 lbf111000 N N/A 39900 lbf178000 N N/A
34300 N/A 34000 N/A 3 in76.2 mm N/A 0.906 in23.012 mm N/A 23000 lbf102000 N N/A 30600 lbf136000 N N/A
34300A N/A 34000 N/A 3 in76.2 mm N/A 0.906 in23.012 mm N/A 23000 lbf102000 N N/A 30600 lbf136000 N N/A
34301 N/A 34000 N/A 3 in76.2 mm N/A 0.906 in23.012 mm N/A 23000 lbf102000 N N/A 30600 lbf136000 N N/A
42687 N/A 42600 N/A 3 in76.2 mm N/A 1.2205 in31.001 mm N/A 36200 lbf161000 N N/A 49800 lbf222000 N N/A
42687A N/A 42600 N/A 3 in76.2 mm N/A 1.2205 in31.001 mm N/A 36200 lbf161000 N N/A 49800 lbf222000 N N/A
42688 N/A 42600 N/A 3 in76.2 mm N/A 1.2205 in31.001 mm N/A 36200 lbf161000 N N/A 49800 lbf222000 N N/A
47678 N/A 47600 N/A 3 in76.2 mm N/A 1.3125 in33.338 mm N/A 48100 lbf214000 N N/A 58900 lbf262000 N N/A
47679 N/A 47600 N/A 3 in76.2 mm N/A 1.3125 in33.338 mm N/A 48100 lbf214000 N N/A 58900 lbf262000 N N/A
47680 N/A 47600 N/A 3 in76.2 mm N/A 1.3125 in33.338 mm N/A 48100 lbf214000 N N/A 58900 lbf262000 N N/A
495A N/A 495 N/A 3 in76.2 mm N/A 1.172 in29.769 mm N/A 34700 lbf154000 N N/A 48600 lbf216000 N N/A
495AX N/A 495 N/A 3 in76.2 mm N/A 1.172 in29.769 mm N/A 34700 lbf154000 N N/A 48600 lbf216000 N N/A
575 N/A 575 N/A 3 in76.2 mm N/A 1.4212 in36.098 mm N/A 46500 lbf207000 N N/A 65400 lbf291000 N N/A
5755 N/A N/A 3 in76.2 mm N/A 2.0650 in52.451 mm N/A 57400 lbf255000 N N/A 85400 lbf380000 N N/A
575-S N/A 575 N/A 3 in76.2 mm N/A 1.4212 in36.098 mm N/A 46500 lbf207000 N N/A 65400 lbf291000 N N/A
575W N/A 575 N/A 3 in76.2 mm N/A 1.4212 in36.098 mm N/A 46500 lbf207000 N N/A 65400 lbf291000 N N/A
Unit of Measure
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