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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Available in single, double, and multi-row configurations as well as proprietary sizes, these bearings are developed in collaboration with OE engineers to deliver premium performance across various applications. Their power-dense designs support heavier loads and help extend bearing life, while optimized internal geometry reduces torque and operating temperatures to prolong lubrication system life. Additionally, they can be engineered with proprietary enhancements to withstand highly corrosive conditions, high temperatures, vacuum environments, or situations with limited lubrication.
Timken_TRB_1ROWASSY_TS_32005X-90KA1-A
TRB TS Line Drawing
Unit of Measure
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Part Number

Bore (d)

O.D. (D)

Inner Ring Width (B)

Outer Ring Width (C)

Width (T)

Dynamic Radial Load Rating - 1M Revs (C1)

Static Radial Load Rating (C0)

Series

CAD

25570 / 25520 N/A 1.4375 in36.513 mm N/A 3.2650 in82.931 mm N/A 1.0000 in25.400 mm N/A 0.7500 in19.050 mm N/A 0.9375 in23.813 mm N/A 20300 lbf90500 N N/A 24900 lbf111000 N N/A 25500 N/A
25570 / 25523 N/A 1.4375 in36.513 mm N/A 3.2650 in82.931 mm N/A 1.0000 in25.400 mm N/A 0.875 in22.225 mm N/A 1.0626 in26.990 mm N/A 20300 lbf90500 N N/A 24900 lbf111000 N N/A 25500 N/A
25570 / 25524 N/A 1.4375 in36.513 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 25500 N/A
25570 / 25521 N/A 1.4375 in36.513 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 25500 N/A
25570 / 25522 N/A 1.4375 in36.513 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 25500 N/A
25570 / 25530RB N/A 1.4375 in36.513 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 25500 N/A
25570 / 25526 N/A 1.4375 in36.513 mm N/A 3.3465 in85.001 mm N/A 1.0000 in25.400 mm N/A 0.7500 in19.050 mm N/A 0.9376 in23.815 mm N/A 20300 lbf90500 N N/A 24900 lbf111000 N N/A 25500 N/A
25570 / 25527 N/A 1.4375 in36.513 mm N/A 3.3465 in85.001 mm N/A 1.0000 in25.400 mm N/A 0.875 in22.225 mm N/A 1.0626 in26.990 mm N/A 20300 lbf90500 N N/A 24900 lbf111000 N N/A 25500 N/A
3878 / 3820 N/A 1.4375 in36.513 mm N/A 3.3750 in85.725 mm N/A 1.1875 in30.163 mm N/A 0.9375 in23.813 mm N/A 1.1875 in30.163 mm N/A 27900 lbf124000 N N/A 33200 lbf148000 N N/A 3800 N/A
3878A / 3820 N/A 1.4375 in36.513 mm N/A 3.3750 in85.725 mm N/A 1.1875 in30.163 mm N/A 0.9375 in23.813 mm N/A 1.1875 in30.163 mm N/A 27900 lbf124000 N N/A 33200 lbf148000 N N/A 3800 N/A
3878A / 3821 N/A 1.4375 in36.513 mm N/A 3.3750 in85.725 mm N/A 1.1875 in30.163 mm N/A 0.9375 in23.813 mm N/A 1.1876 in30.165 mm N/A 27900 lbf124000 N N/A 33200 lbf148000 N N/A 3800 N/A
3878 / 3821 N/A 1.4375 in36.513 mm N/A 3.3750 in85.725 mm N/A 1.1875 in30.163 mm N/A 0.9375 in23.813 mm N/A 1.1876 in30.165 mm N/A 27900 lbf124000 N N/A 33200 lbf148000 N N/A 3800 N/A
3878 / 3822RB N/A 1.4375 in36.513 mm N/A 3.4688 in88.108 mm N/A 1.1875 in30.163 mm N/A 0.9375 in23.813 mm N/A 1.1876 in30.165 mm N/A 27900 lbf124000 N N/A 33200 lbf148000 N N/A 3800 N/A
3878A / 3822RB N/A 1.4375 in36.513 mm N/A 3.4688 in88.108 mm N/A 1.1875 in30.163 mm N/A 0.9375 in23.813 mm N/A 1.1876 in30.165 mm N/A 27900 lbf124000 N N/A 33200 lbf148000 N N/A 3800 N/A
44143 / 44348 N/A 1.4375 in36.513 mm N/A 3.4843 in88.501 mm N/A 0.933 in23.698 mm N/A 0.6875 in17.463 mm N/A 1.0000 in25.400 mm N/A 22400 lbf99800 N N/A 19900 lbf88600 N N/A 44000 N/A
44143 / 44354 N/A 1.4375 in36.513 mm N/A 3.543 in89.992 mm N/A 0.933 in23.698 mm N/A 0.6875 in17.463 mm N/A 1.0000 in25.400 mm N/A 22400 lbf99800 N N/A 19900 lbf88600 N N/A 44000 N/A
25570 / 25528 N/A 1.4375 in36.513 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 25500 N/A
46143 / 46368 N/A 1.4375 in36.513 mm N/A 3.6875 in93.663 mm N/A 1.25 in31.75 mm N/A 1.0313 in26.195 mm N/A 1.25 in31.75 mm N/A 29100 lbf129000 N N/A 35500 lbf158000 N N/A 46000 N/A
46143 / 46369 N/A 1.4375 in36.513 mm N/A 3.6875 in93.663 mm N/A 1.25 in31.75 mm N/A 1.0313 in26.195 mm N/A 1.2501 in31.753 mm N/A 29100 lbf129000 N N/A 35500 lbf158000 N N/A 46000 N/A
25570 / 25547RB N/A 1.4375 in36.513 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 25500 N/A
19149X / 19262 N/A 1.4961 in38.001 mm N/A 2.625 in66.675 mm N/A 0.6504 in16.52 mm N/A 0.4688 in11.908 mm N/A 0.6250 in15.875 mm N/A 11400 lbf50700 N N/A 13000 lbf57800 N N/A 19000 N/A
19149X / 19267X N/A 1.4961 in38.001 mm N/A 2.6772 in68.001 mm N/A 0.6504 in16.52 mm N/A 0.4724 in11.999 mm N/A 0.6307 in16.020 mm N/A 11400 lbf50700 N N/A 13000 lbf57800 N N/A 19000 N/A
19149X / 19268 N/A 1.4961 in38.001 mm N/A 2.6875 in68.263 mm N/A 0.6504 in16.52 mm N/A 0.4688 in11.908 mm N/A 0.6250 in15.875 mm N/A 11400 lbf50700 N N/A 13000 lbf57800 N N/A 19000 N/A
19149X / 19269 N/A 1.4961 in38.001 mm N/A 2.6875 in68.263 mm N/A 0.6504 in16.52 mm N/A 0.6311 in16.030 mm N/A 0.7873 in19.997 mm N/A 11400 lbf50700 N N/A 13000 lbf57800 N N/A 19000 N/A
19149X / 19281 N/A 1.4961 in38.001 mm N/A 2.8125 in71.438 mm N/A 0.6504 in16.52 mm N/A 0.4688 in11.908 mm N/A 0.6250 in15.875 mm N/A 11400 lbf50700 N N/A 13000 lbf57800 N N/A 19000 N/A
Unit of Measure
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