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_2ROWASSY_TDO_438-90092-A3
TRB TDO Line Drawing
Unit of Measure
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Part Number

Bore (d)

O.D. (D)

Outer Ring Width (C)

Width (T)

Inner Ring Width (B)

Dynamic Radial Load Rating - 1M Revs (C1) 

Dynamic Radial Load Rating - 90M Revs (C90)

Series

CAD

3479 / 3424YD N/A 1.4375 in36.513 mm N/A 3.2500 in82.550 mm N/A 2.1875 in55.563 mm N/A 2.6251 in66.678 mm N/A 1.1721 in29.771 mm N/A 41000 lbf182000 N N/A 6100 lbf27100 N N/A 3400 N/A
25570-90094 N/A 1.4375 in36.513 mm N/A 3.2650 in82.931 mm N/A 1.875 in47.625 mm N/A 2.2500 in57.150 mm N/A 1.0000 in25.400 mm N/A 35400 lbf158000 N N/A 5270 lbf23500 N N/A 25500 N/A
25570 / 25520DC N/A 1.4375 in36.513 mm N/A 3.2650 in82.931 mm N/A 1.875 in47.625 mm N/A 2.2500 in57.150 mm N/A 1.0000 in25.400 mm N/A 35400 lbf158000 N N/A 5270 lbf23500 N N/A 25500 N/A
44143-90013 N/A 1.4375 in36.513 mm N/A 3.6250 in92.075 mm N/A 1.5625 in39.688 mm N/A 2.1875 in55.563 mm N/A 0.933 in23.698 mm N/A 39100 lbf174000 N N/A 5810 lbf25900 N N/A 44000 N/A
44143-90036 N/A 1.4375 in36.513 mm N/A 3.6250 in92.075 mm N/A 1.5625 in39.688 mm N/A 2.1875 in55.563 mm N/A 0.933 in23.698 mm N/A 39100 lbf174000 N N/A 5810 lbf25900 N N/A 44000 N/A
44143-90057 N/A 1.4375 in36.513 mm N/A 3.6250 in92.075 mm N/A 1.5625 in39.688 mm N/A 2.1875 in55.563 mm N/A 0.933 in23.698 mm N/A 39100 lbf174000 N N/A 5810 lbf25900 N N/A 44000 N/A
44143-907A2 N/A 1.4375 in36.513 mm N/A 3.6250 in92.075 mm N/A 1.5625 in39.688 mm N/A 2.1875 in55.563 mm N/A 0.933 in23.698 mm N/A 39100 lbf174000 N N/A 5810 lbf25900 N N/A 44000 N/A
13889-90031 N/A 1.5 in38.1 mm N/A 2.5000 in63.500 mm N/A 1.2500 in31.750 mm N/A 1.5 in38.1 mm N/A 0.4688 in11.908 mm N/A 10600 lbf47300 N N/A 1580 lbf7040 N N/A 13800 N/A
13889-905A2 N/A 1.5 in38.1 mm N/A 2.5000 in63.500 mm N/A 1.2500 in31.750 mm N/A 1.5 in38.1 mm N/A 0.4688 in11.908 mm N/A 10600 lbf47300 N N/A 1580 lbf7040 N N/A 13800 N/A
13685A / 13621D N/A 1.5 in38.1 mm N/A 2.717 in69.012 mm N/A 1.5 in38.1 mm N/A 1.8123 in46.032 mm N/A 0.75 in19.05 mm N/A 26300 lbf117000 N N/A 3920 lbf17400 N N/A 13600 N/A
13685-90063 N/A 1.5 in38.1 mm N/A 2.717 in69.012 mm N/A 1.5 in38.1 mm N/A 1.8123 in46.032 mm N/A 0.75 in19.05 mm N/A 26300 lbf117000 N N/A 3920 lbf17400 N N/A 13600 N/A
13687-90023 N/A 1.5 in38.1 mm N/A 2.717 in69.012 mm N/A 1.5 in38.1 mm N/A 1.8123 in46.032 mm N/A 0.75 in19.05 mm N/A 26300 lbf117000 N N/A 3920 lbf17400 N N/A 13600 N/A
13686 / 13621D N/A 1.5 in38.1 mm N/A 2.717 in69.012 mm N/A 1.5 in38.1 mm N/A 2.3749 in60.322 mm N/A 1.0313 in26.195 mm N/A 26300 lbf117000 N N/A 3920 lbf17400 N N/A 13600 N/A
13685 / 13621DC N/A 1.5 in38.1 mm N/A 2.717 in69.012 mm N/A 1.5 in38.1 mm N/A 1.8123 in46.032 mm N/A 0.75 in19.05 mm N/A 26300 lbf117000 N N/A 3920 lbf17400 N N/A 13600 N/A
13685-90066 N/A 1.5 in38.1 mm N/A 2.717 in69.012 mm N/A 1.5 in38.1 mm N/A 1.8123 in46.032 mm N/A 0.75 in19.05 mm N/A 26300 lbf117000 N N/A 3920 lbf17400 N N/A 13600 N/A
13685-90067 N/A 1.5 in38.1 mm N/A 2.717 in69.012 mm N/A 1.5 in38.1 mm N/A 1.8123 in46.032 mm N/A 0.75 in19.05 mm N/A 26300 lbf117000 N N/A 3920 lbf17400 N N/A 13600 N/A
13685-902A1 N/A 1.5 in38.1 mm N/A 2.717 in69.012 mm N/A 1.5 in38.1 mm N/A 1.8123 in46.032 mm N/A 0.75 in19.05 mm N/A 26300 lbf117000 N N/A 3920 lbf17400 N N/A 13600 N/A
13685-902A3 N/A 1.5 in38.1 mm N/A 2.717 in69.012 mm N/A 1.5 in38.1 mm N/A 1.8123 in46.032 mm N/A 0.75 in19.05 mm N/A 26300 lbf117000 N N/A 3920 lbf17400 N N/A 13600 N/A
13685-90037 N/A 1.5 in38.1 mm N/A 2.717 in69.012 mm N/A 1.5 in38.1 mm N/A 1.8123 in46.032 mm N/A 0.75 in19.05 mm N/A 26300 lbf117000 N N/A 3920 lbf17400 N N/A 13600 N/A
13600LA-90070 N/A 1.5 in38.1 mm N/A 2.717 in69.012 mm N/A 1.5 in38.1 mm N/A 1.8123 in46.032 mm N/A 0.75 in19.05 mm N/A 26300 lbf117000 N N/A 3920 lbf17400 N N/A 13600 N/A
13687-90035 N/A 1.5 in38.1 mm N/A 2.717 in69.012 mm N/A 1.5 in38.1 mm N/A 1.8123 in46.032 mm N/A 0.75 in19.05 mm N/A 26300 lbf117000 N N/A 3920 lbf17400 N N/A 13600 N/A
13687-90036 N/A 1.5 in38.1 mm N/A 2.717 in69.012 mm N/A 1.5 in38.1 mm N/A 1.8123 in46.032 mm N/A 0.75 in19.05 mm N/A 26300 lbf117000 N N/A 3920 lbf17400 N N/A 13600 N/A
13687-902A1 N/A 1.5 in38.1 mm N/A 2.717 in69.012 mm N/A 1.5 in38.1 mm N/A 1.8123 in46.032 mm N/A 0.75 in19.05 mm N/A 26300 lbf117000 N N/A 3920 lbf17400 N N/A 13600 N/A
NA24776SW / 24720D N/A 1.5 in38.1 mm N/A 3 in76.2 mm N/A 1.5625 in39.688 mm N/A 2.3124 in58.735 mm N/A 1.1562 in29.367 mm N/A N/A 4400 lbf19600 N N/A 24700 N/A
27881-90025 N/A 1.5 in38.1 mm N/A 3.1510 in80.035 mm N/A 1.77 in44.958 mm N/A 2.2500 in57.150 mm N/A 0.933 in23.698 mm N/A 30500 lbf136000 N N/A 4550 lbf20200 N N/A 27800 N/A
Unit of Measure
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