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

M38545 N/A N/A 1.3125 in33.338 mm N/A 0.8125 in20.638 mm N/A 14000 lbf62400 N N/A 16400 lbf72800 N N/A
M88047 N/A M88000 N/A 1.3125 in33.338 mm N/A 0.875 in22.225 mm N/A 17100 lbf76300 N N/A 17400 lbf77400 N N/A
M88048 N/A M88000 N/A 1.3125 in33.338 mm N/A 0.875 in22.225 mm N/A 17100 lbf76300 N N/A 17400 lbf77400 N N/A
M88048A N/A M88000 N/A 1.3125 in33.338 mm N/A 0.875 in22.225 mm N/A 17100 lbf76300 N N/A 17400 lbf77400 N N/A
M88048-S N/A M88000 N/A 1.3125 in33.338 mm N/A 0.875 in22.225 mm N/A 17100 lbf76300 N N/A 17400 lbf77400 N N/A
NA43131 N/A N/A 1.3125 in33.338 mm N/A 1.09375 in27.781 mm N/A N/A N/A
02877 N/A 02800 N/A 1.375 in34.925 mm N/A 0.875 in22.225 mm N/A 14800 lbf65700 N N/A 16800 lbf74900 N N/A
02878 N/A 02800 N/A 1.375 in34.925 mm N/A 0.875 in22.225 mm N/A 14800 lbf65700 N N/A 16800 lbf74900 N N/A
14136A N/A 14000 N/A 1.375 in34.925 mm N/A 1.0520 in26.721 mm N/A 12300 lbf54600 N N/A 13900 lbf61700 N N/A
14136AA N/A 14000 N/A 1.375 in34.925 mm N/A 1.0520 in26.721 mm N/A 12300 lbf54600 N N/A 13900 lbf61700 N N/A
14137A N/A 14000 N/A 1.375 in34.925 mm N/A 0.771 in19.583 mm N/A 12300 lbf54600 N N/A 13900 lbf61700 N N/A
14137AS N/A 14000 N/A 1.375 in34.925 mm N/A 0.771 in19.583 mm N/A 12300 lbf54600 N N/A 13900 lbf61700 N N/A
14138A N/A 14000 N/A 1.375 in34.925 mm N/A 0.771 in19.583 mm N/A 12300 lbf54600 N N/A 13900 lbf61700 N N/A
14585 N/A N/A 1.375 in34.925 mm N/A 0.8125 in20.638 mm N/A 13300 lbf59200 N N/A 15300 lbf68100 N N/A
16137 N/A 16000 N/A 1.375 in34.925 mm N/A 0.8125 in20.638 mm N/A 12700 lbf56600 N N/A 14800 lbf65800 N N/A
23690 N/A N/A 1.375 in34.925 mm N/A 1.0620 in26.975 mm N/A 20100 lbf89400 N N/A 22900 lbf102000 N N/A
23790 N/A N/A 1.375 in34.925 mm N/A 1.0625 in26.988 mm N/A 18900 lbf84100 N N/A 22000 lbf97900 N N/A
25877 N/A N/A 1.375 in34.925 mm N/A 0.9688 in24.608 mm N/A 19100 lbf85100 N N/A 21900 lbf97400 N N/A
25877A N/A N/A 1.375 in34.925 mm N/A 0.9688 in24.608 mm N/A 19100 lbf85100 N N/A 21900 lbf97400 N N/A
25878 N/A N/A 1.375 in34.925 mm N/A 0.9688 in24.608 mm N/A 19100 lbf85100 N N/A 21900 lbf97400 N N/A
2786 N/A 2700 N/A 1.375 in34.925 mm N/A 1.01 in25.654 mm N/A 19500 lbf86900 N N/A 23000 lbf102000 N N/A
27875 N/A 27800 N/A 1.375 in34.925 mm N/A 0.933 in23.698 mm N/A 17500 lbf78000 N N/A 20500 lbf91100 N N/A
2793 N/A 2700 N/A 1.375 in34.925 mm N/A 1.01 in25.654 mm N/A 19500 lbf86900 N N/A 23000 lbf102000 N N/A
2796 N/A 2700 N/A 1.375 in34.925 mm N/A 1.01 in25.654 mm N/A 19500 lbf86900 N N/A 23000 lbf102000 N N/A
28137 N/A 28000 N/A 1.375 in34.925 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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