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_1ROWASSY_TS_32005X-90KA1-A
TRB TS Line Drawing
Unit of Measure
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Part Number

Series

d - Bore

D - Cup Outer Diameter

B - Cone Width

C - Cup Width

T - Bearing Width

C1 - Dynamic Radial Rating (1 million revolutions)

C0 - Static Radial Rating

CAD

25572 - 25521 N/A 25500 N/A 1 1/2 in38.1 mm N/A 3.2700 in83.058 mm N/A 1.0000 in25.400 mm N/A 0.7500 in19.050 mm N/A 0.9376 in23.815 mm N/A 20300 lbf90500 N N/A 24900 lbf111000 N N/A CAD
25572 - 25522 N/A 25500 N/A 1 1/2 in38.1 mm N/A 3.2700 in83.058 mm N/A 1.0000 in25.400 mm N/A 0.7525 in19.114 mm N/A 0.9401 in23.879 mm N/A 20300 lbf90500 N N/A 24900 lbf111000 N N/A CAD
25572 - 25523 N/A 25500 N/A 1 1/2 in38.1 mm N/A 3.2650 in82.931 mm N/A 1.0000 in25.400 mm N/A 0.8750 in22.225 mm N/A 1.0626 in26.990 mm N/A 20300 lbf90500 N N/A 24900 lbf111000 N N/A CAD
25572 - 25524 N/A 25500 N/A 1 1/2 in38.1 mm N/A 3.2650 in82.931 mm N/A 1.0000 in25.400 mm N/A 0.7500 in19.050 mm N/A 0.9376 in23.815 mm N/A 20300 lbf90500 N N/A 24900 lbf111000 N N/A CAD
25572 - 25526 N/A 25500 N/A 1 1/2 in38.1 mm N/A 3.3465 in85.001 mm N/A 1.0000 in25.400 mm N/A 0.7500 in19.050 mm N/A 0.9375 in23.813 mm N/A 20300 lbf90500 N N/A 24900 lbf111000 N N/A CAD
25572 - 25527 N/A 25500 N/A 1 1/2 in38.1 mm N/A 3.3465 in85.001 mm N/A 1.0000 in25.400 mm N/A 0.8750 in22.225 mm N/A 1.0626 in26.990 mm N/A 20300 lbf90500 N N/A 24900 lbf111000 N N/A CAD
25572 - 25528 N/A 25500 N/A 1 1/2 in38.1 mm N/A 3.6250 in92.075 mm N/A 1.0000 in25.400 mm N/A 0.7500 in19.050 mm N/A 0.9376 in23.815 mm N/A 20300 lbf90500 N N/A 24900 lbf111000 N N/A CAD
25572 - 25530RB N/A 25500 N/A 1 1/2 in38.1 mm N/A 3.3125 in84.138 mm N/A 1.0000 in25.400 mm N/A 0.7500 in19.050 mm N/A 0.9376 in23.815 mm N/A 20300 lbf90500 N N/A 24900 lbf111000 N N/A CAD
25572 - 25547RB N/A 25500 N/A 1 1/2 in38.1 mm N/A 3.9368 in99.995 mm N/A 1.0000 in25.400 mm N/A 0.8125 in20.638 mm N/A 1.0001 in25.403 mm N/A 20300 lbf90500 N N/A 24900 lbf111000 N N/A CAD
26878 - 26820 N/A 26800 N/A 1 1/2 in38.1 mm N/A 3.1562 in80.167 mm N/A 1.0000 in25.400 mm N/A 0.8125 in20.638 mm N/A 1.0000 in25.400 mm N/A 20500 lbf91100 N N/A 24800 lbf110000 N N/A CAD
26878 - 26821 N/A 26800 N/A 1 1/2 in38.1 mm N/A 3.1562 in80.167 mm N/A 1.0000 in25.400 mm N/A 0.9688 in24.608 mm N/A 1.1564 in29.373 mm N/A 20500 lbf91100 N N/A 24800 lbf110000 N N/A CAD
26878 - 26822 N/A 26800 N/A 1 1/2 in38.1 mm N/A 3.1250 in79.375 mm N/A 1.0000 in25.400 mm N/A 0.7500 in19.050 mm N/A 0.9375 in23.813 mm N/A 20500 lbf91100 N N/A 24800 lbf110000 N N/A CAD
26878 - 26822A N/A 26800 N/A 1 1/2 in38.1 mm N/A 3.1250 in79.375 mm N/A 1.0000 in25.400 mm N/A 0.7500 in19.050 mm N/A 0.9376 in23.815 mm N/A 20500 lbf91100 N N/A 24800 lbf110000 N N/A CAD
26878 - 26823 N/A 26800 N/A 1 1/2 in38.1 mm N/A 3 in76.2 mm N/A 1.0000 in25.400 mm N/A 0.8125 in20.638 mm N/A 1.0000 in25.400 mm N/A 20500 lbf91100 N N/A 24800 lbf110000 N N/A CAD
26878 - 26830 N/A 26800 N/A 1 1/2 in38.1 mm N/A 3.1562 in80.167 mm N/A 1.0000 in25.400 mm N/A 0.8125 in20.638 mm N/A 1.0000 in25.400 mm N/A 20500 lbf91100 N N/A 24800 lbf110000 N N/A CAD
26878 - 26831 N/A 26800 N/A 1 1/2 in38.1 mm N/A 3.4843 in88.501 mm N/A 1.0000 in25.400 mm N/A 0.8125 in20.638 mm N/A 1.0000 in25.400 mm N/A 20500 lbf91100 N N/A 24800 lbf110000 N N/A CAD
2777 - 2720 N/A 2700 N/A 1 1/2 in38.1 mm N/A 3 in76.2 mm N/A 1.0100 in25.654 mm N/A 0.7500 in19.050 mm N/A 0.9375 in23.813 mm N/A 19500 lbf86900 N N/A 23000 lbf102000 N N/A CAD
2776 - 2720 N/A 2700 N/A 1 1/2 in38.1 mm N/A 3 in76.2 mm N/A 1.0100 in25.654 mm N/A 0.7500 in19.050 mm N/A 0.9375 in23.813 mm N/A 19500 lbf86900 N N/A 23000 lbf102000 N N/A CAD
2788A - 2720 N/A 2700 N/A 1 1/2 in38.1 mm N/A 3 in76.2 mm N/A 1.0100 in25.654 mm N/A 0.7500 in19.050 mm N/A 0.9375 in23.813 mm N/A 19500 lbf86900 N N/A 23000 lbf102000 N N/A CAD
2788 - 2720 N/A 2700 N/A 1 1/2 in38.1 mm N/A 3 in76.2 mm N/A 1.0100 in25.654 mm N/A 0.7500 in19.050 mm N/A 0.9375 in23.813 mm N/A 19500 lbf86900 N N/A 23000 lbf102000 N N/A CAD
2788 - 2726 N/A 2700 N/A 1 1/2 in38.1 mm N/A 2.8750 in73.025 mm N/A 1.0100 in25.654 mm N/A 0.7500 in19.050 mm N/A 0.9361 in23.777 mm N/A 19500 lbf86900 N N/A 23000 lbf102000 N N/A CAD
2776 - 2726 N/A 2700 N/A 1 1/2 in38.1 mm N/A 2.8750 in73.025 mm N/A 1.0100 in25.654 mm N/A 0.7500 in19.050 mm N/A 0.9361 in23.777 mm N/A 19500 lbf86900 N N/A 23000 lbf102000 N N/A CAD
2777 - 2726 N/A 2700 N/A 1 1/2 in38.1 mm N/A 2.8750 in73.025 mm N/A 1.0100 in25.654 mm N/A 0.7500 in19.050 mm N/A 0.9361 in23.777 mm N/A 19500 lbf86900 N N/A 23000 lbf102000 N N/A CAD
2788A - 2726 N/A 2700 N/A 1 1/2 in38.1 mm N/A 2.8750 in73.025 mm N/A 1.0100 in25.654 mm N/A 0.7500 in19.050 mm N/A 0.9361 in23.777 mm N/A 19500 lbf86900 N N/A 23000 lbf102000 N N/A CAD
2788A - 2729 N/A 2700 N/A 1 1/2 in38.1 mm N/A 3 in76.2 mm N/A 1.0100 in25.654 mm N/A 0.7500 in19.050 mm N/A 0.9375 in23.813 mm N/A 19500 lbf86900 N N/A 23000 lbf102000 N N/A CAD
Unit of Measure
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