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

LM48548P 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
LM48549 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
LM48549X 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
M38549 N/A N/A 1.375 in34.925 mm N/A 0.8125 in20.638 mm N/A 14000 lbf62400 N N/A 16400 lbf72800 N N/A
M38549H N/A N/A 1.375 in34.925 mm N/A 0.8125 in20.638 mm N/A 16600 lbf74000 N N/A 16400 lbf72800 N N/A
NA14138 N/A N/A 1.375 in34.925 mm N/A 0.9063 in23.02 mm N/A N/A N/A
14139 N/A 14000 N/A 1.377 in34.976 mm N/A 0.771 in19.583 mm N/A 12300 lbf54600 N N/A 13900 lbf61700 N N/A
19138 N/A 19000 N/A 1.377 in34.976 mm N/A 0.6504 in16.52 mm N/A 11400 lbf50700 N N/A 13000 lbf57800 N N/A
2775 N/A 2700 N/A 1.377 in34.976 mm N/A 1.01 in25.654 mm N/A 19500 lbf86900 N N/A 23000 lbf102000 N N/A
28138 N/A 28000 N/A 1.377 in34.976 mm N/A 0.8244 in20.94 mm N/A 14300 lbf63500 N N/A 15500 lbf68900 N N/A
NA28138 N/A N/A 1.377 in34.976 mm N/A 0.9063 in23.02 mm N/A N/A N/A
L68149 N/A N/A 1.3775 in34.989 mm N/A 0.66 in16.764 mm N/A 10200 lbf45500 N N/A 11000 lbf48700 N N/A
L68149A N/A N/A 1.3775 in34.989 mm N/A 0.66 in16.764 mm N/A 10200 lbf45500 N N/A 11000 lbf48700 N N/A
L68149H N/A N/A 1.3775 in34.989 mm N/A 0.66 in16.764 mm N/A 10200 lbf45500 N N/A 11000 lbf48700 N N/A
L68149P N/A N/A 1.3775 in34.989 mm N/A 0.66 in16.764 mm N/A 10200 lbf45500 N N/A 11000 lbf48700 N N/A
LM78349 N/A N/A 1.3775 in34.989 mm N/A 0.6693 in17 mm N/A 9560 lbf42500 N N/A 11800 lbf52400 N N/A
LM78349A N/A N/A 1.3775 in34.989 mm N/A 0.6693 in17 mm N/A 11300 lbf50400 N N/A 11800 lbf52400 N N/A
M38547 N/A N/A 1.3775 in34.989 mm N/A 0.8125 in20.638 mm N/A 14000 lbf62400 N N/A 16400 lbf72800 N N/A
14139X N/A 14000 N/A 1.378 in35.001 mm N/A 0.771 in19.583 mm N/A 12300 lbf54600 N N/A 13900 lbf61700 N N/A
19138X N/A 19000 N/A 1.378 in35.001 mm N/A 0.6504 in16.52 mm N/A 11400 lbf50700 N N/A 13000 lbf57800 N N/A
23691 N/A N/A 1.378 in35.001 mm N/A 1.0620 in26.975 mm N/A 20100 lbf89400 N N/A 22900 lbf102000 N N/A
26883 N/A 26800 N/A 1.378 in35.001 mm N/A 1 in25.4 mm N/A 20500 lbf91100 N N/A 24800 lbf110000 N N/A
28138X N/A 28000 N/A 1.378 in35.001 mm N/A 0.8244 in20.94 mm N/A 13200 lbf58800 N N/A 15500 lbf68900 N N/A
339 N/A 335 N/A 1.378 in35.001 mm N/A 0.882 in22.403 mm N/A 21200 lbf94300 N N/A 18700 lbf83400 N N/A
339X N/A 335 N/A 1.378 in35.001 mm N/A 0.882 in22.403 mm N/A 16600 lbf73600 N N/A 18700 lbf83400 N N/A
Unit of Measure
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