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

3878A N/A 3800 N/A 1.4375 in36.513 mm N/A 1.1875 in30.163 mm N/A 27900 lbf124000 N N/A 33200 lbf148000 N N/A
44143 N/A 44000 N/A 1.4375 in36.513 mm N/A 0.933 in23.698 mm N/A 22400 lbf99800 N N/A 19900 lbf88600 N N/A
46143 N/A N/A 1.4375 in36.513 mm N/A 1.25 in31.75 mm N/A 29100 lbf129000 N N/A 35500 lbf158000 N N/A
HM89249 N/A N/A 1.4375 in36.513 mm N/A 1.1350 in28.829 mm N/A 28200 lbf126000 N N/A 27200 lbf121000 N N/A
HM89448 N/A HM89400 N/A 1.4375 in36.513 mm N/A 1.1250 in28.575 mm N/A 24800 lbf110000 N N/A 26700 lbf119000 N N/A
HM89449 N/A HM89400 N/A 1.4375 in36.513 mm N/A 1.1250 in28.575 mm N/A 24800 lbf110000 N N/A 26700 lbf119000 N N/A
NA44143 N/A N/A 1.4375 in36.513 mm N/A 1.09375 in27.781 mm N/A N/A N/A
19149X N/A 19000 N/A 1.4961 in38.001 mm N/A 0.6504 in16.52 mm N/A 11400 lbf50700 N N/A 13000 lbf57800 N N/A
13685 N/A 13600 N/A 1.5 in38.1 mm N/A 0.75 in19.05 mm N/A 15100 lbf67200 N N/A 15300 lbf67900 N N/A
13685A N/A 13600 N/A 1.5 in38.1 mm N/A 0.75 in19.05 mm N/A 15100 lbf67200 N N/A 15300 lbf67900 N N/A
13686 N/A 13600 N/A 1.5 in38.1 mm N/A 1.0313 in26.195 mm N/A 15100 lbf67200 N N/A 15300 lbf67900 N N/A
13687 N/A 13600 N/A 1.5 in38.1 mm N/A 0.75 in19.05 mm N/A 15100 lbf67200 N N/A 15300 lbf67900 N N/A
13889 N/A 13800 N/A 1.5 in38.1 mm N/A 0.4688 in11.908 mm N/A 6100 lbf27200 N N/A 7430 lbf33000 N N/A
16150 N/A 16000 N/A 1.5 in38.1 mm N/A 0.8125 in20.638 mm N/A 12700 lbf56600 N N/A 14800 lbf65800 N N/A
19150 N/A 19000 N/A 1.5 in38.1 mm N/A 0.6504 in16.52 mm N/A 11400 lbf50700 N N/A 13000 lbf57800 N N/A
25572 N/A 25500 N/A 1.5 in38.1 mm N/A 1.0000 in25.400 mm N/A 20300 lbf90500 N N/A 24900 lbf111000 N N/A
26878 N/A 26800 N/A 1.5 in38.1 mm N/A 1.0000 in25.400 mm N/A 20500 lbf91100 N N/A 24800 lbf110000 N N/A
2776 N/A 2700 N/A 1.5 in38.1 mm N/A 1.01 in25.654 mm N/A 19500 lbf86900 N N/A 23000 lbf102000 N N/A
2777 N/A 2700 N/A 1.5 in38.1 mm N/A 1.01 in25.654 mm N/A 19500 lbf86900 N N/A 23000 lbf102000 N N/A
27879 N/A 27800 N/A 1.5 in38.1 mm N/A 0.8705 in22.111 mm N/A 17500 lbf78000 N N/A 20500 lbf91100 N N/A
2788 N/A 2700 N/A 1.5 in38.1 mm N/A 1.01 in25.654 mm N/A 19500 lbf86900 N N/A 23000 lbf102000 N N/A
27880 N/A 27800 N/A 1.5 in38.1 mm N/A 0.933 in23.698 mm N/A 17500 lbf78000 N N/A 20500 lbf91100 N N/A
27881 N/A 27800 N/A 1.5 in38.1 mm N/A 0.933 in23.698 mm N/A 17500 lbf78000 N N/A 20500 lbf91100 N N/A
2788A N/A 2700 N/A 1.5 in38.1 mm N/A 1.01 in25.654 mm N/A 19500 lbf86900 N N/A 23000 lbf102000 N N/A
28150 N/A 28000 N/A 1.5 in38.1 mm N/A 0.8244 in20.94 mm N/A 16900 lbf75200 N N/A 15500 lbf68900 N N/A
Unit of Measure
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