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

1985 - 1932 N/A 1900 N/A 1 1/8 in28.575 mm N/A 2.3125 in58.738 mm N/A 0.7620 in19.355 mm N/A 0.5937 in15.080 mm N/A 0.75 in19.05 mm N/A 10900 lbf48400 N N/A 11300 lbf50200 N N/A CAD
2474 - 2420 N/A 2400 N/A 1 1/8 in28.575 mm N/A 2.6875 in68.263 mm N/A 0.9375 in23.813 mm N/A 0.6875 in17.463 mm N/A 0.8750 in22.225 mm N/A 15200 lbf67600 N N/A 16500 lbf73300 N N/A CAD
24112 - 24261 N/A 24000 N/A 1 1/8 in28.575 mm N/A 2.6150 in66.421 mm N/A 0.7470 in18.974 mm N/A 0.6250 in15.875 mm N/A 0.75 in19.05 mm N/A 12600 lbf55900 N N/A 12400 lbf55200 N N/A CAD
2578 - 2520 N/A 2500 N/A 1 1/8 in28.575 mm N/A 2.6150 in66.421 mm N/A 0.9983 in25.357 mm N/A 0.8125 in20.638 mm N/A 1.0000 in25.400 mm N/A 18800 lbf83700 N N/A 21200 lbf94400 N N/A CAD
2578 - 2520A N/A 2500 N/A 1 1/8 in28.575 mm N/A 2.6150 in66.421 mm N/A 0.9983 in25.357 mm N/A 0.8125 in20.638 mm N/A 1.0000 in25.400 mm N/A 18800 lbf83700 N N/A 21200 lbf94400 N N/A CAD
2578 - 2523 N/A 2500 N/A 1 1/8 in28.575 mm N/A 2.7500 in69.850 mm N/A 0.9983 in25.357 mm N/A 0.7500 in19.050 mm N/A 0.9375 in23.813 mm N/A 18800 lbf83700 N N/A 21200 lbf94400 N N/A CAD
2578 - 2523-S N/A 2500 N/A 1 1/8 in28.575 mm N/A 2.7500 in69.850 mm N/A 0.9983 in25.357 mm N/A 0.7500 in19.050 mm N/A 0.9375 in23.813 mm N/A 18800 lbf83700 N N/A 21200 lbf94400 N N/A CAD
2578 - 2525 N/A 2500 N/A 1 1/8 in28.575 mm N/A 2.8355 in72.022 mm N/A 0.9983 in25.357 mm N/A 0.7500 in19.050 mm N/A 0.9375 in23.813 mm N/A 18800 lbf83700 N N/A 21200 lbf94400 N N/A CAD
2578 - 2526X N/A 2500 N/A 1 1/8 in28.575 mm N/A 2.8346 in71.999 mm N/A 0.9983 in25.357 mm N/A 0.7500 in19.050 mm N/A 0.9375 in23.813 mm N/A 18800 lbf83700 N N/A 21200 lbf94400 N N/A CAD
2578 - 2530 N/A 2500 N/A 1 1/8 in28.575 mm N/A 2.6150 in66.421 mm N/A 0.9983 in25.357 mm N/A 0.8125 in20.638 mm N/A 1.0000 in25.400 mm N/A 18800 lbf83700 N N/A 21200 lbf94400 N N/A CAD
2689 - 2620 N/A 2600 N/A 1 1/8 in28.575 mm N/A 2.4843 in63.101 mm N/A 1.0013 in25.433 mm N/A 0.7500 in19.050 mm N/A 0.9377 in23.818 mm N/A 17200 lbf76600 N N/A 18400 lbf81700 N N/A CAD
26112 - 26274 N/A 26000 N/A 1 1/8 in28.575 mm N/A 2.7450 in69.723 mm N/A 0.7450 in18.923 mm N/A 0.7500 in19.050 mm N/A 0.75 in19.05 mm N/A 15700 lbf69600 N N/A 13500 lbf60100 N N/A CAD
26112 - 26283 N/A 26000 N/A 1 1/8 in28.575 mm N/A 2.8346 in71.999 mm N/A 0.7450 in18.923 mm N/A 0.6250 in15.875 mm N/A 0.7480 in18.999 mm N/A 15700 lbf69600 N N/A 13500 lbf60100 N N/A CAD
2689 - 2630 N/A 2600 N/A 1 1/8 in28.575 mm N/A 2.4843 in63.101 mm N/A 1.0013 in25.433 mm N/A 0.7500 in19.050 mm N/A 0.9375 in23.813 mm N/A 17200 lbf76600 N N/A 18400 lbf81700 N N/A CAD
26112 - 26300 N/A 26000 N/A 1 1/8 in28.575 mm N/A 3 in76.2 mm N/A 0.7450 in18.923 mm N/A 0.6250 in15.875 mm N/A 0.7480 in18.999 mm N/A 15700 lbf69600 N N/A 13500 lbf60100 N N/A CAD
2689 - 2631 N/A 2600 N/A 1 1/8 in28.575 mm N/A 2.6150 in66.421 mm N/A 1.0013 in25.433 mm N/A 0.7500 in19.050 mm N/A 0.9375 in23.813 mm N/A 17200 lbf76600 N N/A 18400 lbf81700 N N/A CAD
26112 - 26334 N/A 26000 N/A 1 1/8 in28.575 mm N/A 3.3465 in85.001 mm N/A 0.7450 in18.923 mm N/A 0.6250 in15.875 mm N/A 0.7480 in18.999 mm N/A 15700 lbf69600 N N/A 13500 lbf60100 N N/A CAD
3192 - 3120 N/A 3100 N/A 1 1/8 in28.575 mm N/A 2.8593 in72.626 mm N/A 1.1810 in29.997 mm N/A 0.9375 in23.813 mm N/A 1.1875 in30.163 mm N/A 21300 lbf94800 N N/A 22800 lbf102000 N N/A CAD
3198 - 3120 N/A 3100 N/A 1 1/8 in28.575 mm N/A 2.8593 in72.626 mm N/A 1.1810 in29.997 mm N/A 0.9375 in23.813 mm N/A 1.1875 in30.163 mm N/A 21300 lbf94800 N N/A 22800 lbf102000 N N/A CAD
3192 - 3126 N/A 3100 N/A 1 1/8 in28.575 mm N/A 2.8360 in72.034 mm N/A 1.1810 in29.997 mm N/A 0.9375 in23.813 mm N/A 1.1876 in30.165 mm N/A 21300 lbf94800 N N/A 22800 lbf102000 N N/A CAD
3198 - 3126 N/A 3100 N/A 1 1/8 in28.575 mm N/A 2.8360 in72.034 mm N/A 1.1810 in29.997 mm N/A 0.9375 in23.813 mm N/A 1.1876 in30.165 mm N/A 21300 lbf94800 N N/A 22800 lbf102000 N N/A CAD
3192 - 3129 N/A 3100 N/A 1 1/8 in28.575 mm N/A 3 in76.2 mm N/A 1.1810 in29.997 mm N/A 0.9375 in23.813 mm N/A 1.1876 in30.165 mm N/A 21300 lbf94800 N N/A 22800 lbf102000 N N/A CAD
3198 - 3129 N/A 3100 N/A 1 1/8 in28.575 mm N/A 3 in76.2 mm N/A 1.1810 in29.997 mm N/A 0.9375 in23.813 mm N/A 1.1875 in30.163 mm N/A 21300 lbf94800 N N/A 22800 lbf102000 N N/A CAD
3198 - 3130 N/A 3100 N/A 1 1/8 in28.575 mm N/A 2.8593 in72.626 mm N/A 1.1810 in29.997 mm N/A 0.9375 in23.813 mm N/A 1.1876 in30.165 mm N/A 21300 lbf94800 N N/A 22800 lbf102000 N N/A CAD
3192 - 3130 N/A 3100 N/A 1 1/8 in28.575 mm N/A 2.8593 in72.626 mm N/A 1.1810 in29.997 mm N/A 0.9375 in23.813 mm N/A 1.1876 in30.165 mm N/A 21300 lbf94800 N N/A 22800 lbf102000 N N/A CAD
Unit of Measure
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