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

25583 / 25520DC N/A 1.7500 in44.450 mm N/A 3.2650 in82.931 mm N/A 1.875 in47.625 mm N/A 3.0750 in78.105 mm N/A 1.4125 in35.878 mm N/A 35400 lbf158000 N N/A 5270 lbf23500 N N/A 25500 N/A
25581 / 25520DC N/A 1.7500 in44.450 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
25580 / 25520DC N/A 1.7500 in44.450 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
25580-90091 N/A 1.7500 in44.450 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
25580-90095 N/A 1.7500 in44.450 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
25580-90098 N/A 1.7500 in44.450 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
25581-90118 N/A 1.7500 in44.450 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
355X-99406 N/A 1.7500 in44.450 mm N/A 3.548 in90.119 mm N/A 1.7500 in44.450 mm N/A 1.9998 in50.795 mm N/A 0.854 in21.692 mm N/A 38000 lbf169000 N N/A 5650 lbf25100 N N/A 355 N/A
355-90018 N/A 1.7500 in44.450 mm N/A 3.548 in90.119 mm N/A 1.7500 in44.450 mm N/A 1.9998 in50.795 mm N/A 0.854 in21.692 mm N/A 38000 lbf169000 N N/A 5650 lbf25100 N N/A 355 N/A
355A / 353D N/A 1.7500 in44.450 mm N/A 3.548 in90.119 mm N/A 1.7500 in44.450 mm N/A 1.9998 in50.795 mm N/A 0.854 in21.692 mm N/A 38000 lbf169000 N N/A 5650 lbf25100 N N/A 355 N/A
355X / 353DC N/A 1.7500 in44.450 mm N/A 3.548 in90.119 mm N/A 1.7500 in44.450 mm N/A 1.9998 in50.795 mm N/A 0.854 in21.692 mm N/A 38000 lbf169000 N N/A 5650 lbf25100 N N/A 355 N/A
3782 / 3729D N/A 1.7500 in44.450 mm N/A 3.6718 in93.264 mm N/A 2.0625 in52.388 mm N/A 2.5625 in65.088 mm N/A 1.193 in30.302 mm N/A 47800 lbf213000 N N/A 7120 lbf31700 N N/A 3700 N/A
3783 / 3729D N/A 1.7500 in44.450 mm N/A 3.6718 in93.264 mm N/A 2.0625 in52.388 mm N/A 2.5625 in65.088 mm N/A 1.193 in30.302 mm N/A 47800 lbf213000 N N/A 7120 lbf31700 N N/A 3700 N/A
33885 / 33821D N/A 1.7500 in44.450 mm N/A 3.7500 in95.250 mm N/A 2.0624 in52.385 mm N/A 2.5000 in63.500 mm N/A 1.1250 in28.575 mm N/A 50800 lbf226000 N N/A 7560 lbf33600 N N/A 33800 N/A
33885 / 33821DC N/A 1.7500 in44.450 mm N/A 3.7500 in95.250 mm N/A 2.0624 in52.385 mm N/A 2.5000 in63.500 mm N/A 1.1250 in28.575 mm N/A 50800 lbf226000 N N/A 7560 lbf33600 N N/A 33800 N/A
435-90093 N/A 1.7500 in44.450 mm N/A 3.7500 in95.250 mm N/A 2 in50.8 mm N/A 2.4376 in61.915 mm N/A 1.1772 in29.901 mm N/A 49700 lbf221000 N N/A 7400 lbf32900 N N/A 435 N/A
438W / 432D N/A 1.7500 in44.450 mm N/A 3.7500 in95.250 mm N/A 2 in50.8 mm N/A 2.4376 in61.915 mm N/A 1.1772 in29.901 mm N/A 49700 lbf221000 N N/A 7400 lbf32900 N N/A 435 N/A
438-99405 N/A 1.7500 in44.450 mm N/A 3.7500 in95.250 mm N/A 2 in50.8 mm N/A 2.4376 in61.915 mm N/A 1.1772 in29.901 mm N/A 49700 lbf221000 N N/A 7400 lbf32900 N N/A 435 N/A
435 / 432DC N/A 1.7500 in44.450 mm N/A 3.7500 in95.250 mm N/A 2 in50.8 mm N/A 2.4376 in61.915 mm N/A 1.1772 in29.901 mm N/A 49700 lbf221000 N N/A 7400 lbf32900 N N/A 435 N/A
438 / 432DC N/A 1.7500 in44.450 mm N/A 3.7500 in95.250 mm N/A 2 in50.8 mm N/A 2.4376 in61.915 mm N/A 1.1772 in29.901 mm N/A 49700 lbf221000 N N/A 7400 lbf32900 N N/A 435 N/A
438W / 432DC N/A 1.7500 in44.450 mm N/A 3.7500 in95.250 mm N/A 2 in50.8 mm N/A 2.4376 in61.915 mm N/A 1.1772 in29.901 mm N/A 49700 lbf221000 N N/A 7400 lbf32900 N N/A 435 N/A
53177-90027 N/A 1.7500 in44.450 mm N/A 3.7500 in95.250 mm N/A 1.7500 in44.450 mm N/A 2.5625 in65.088 mm N/A 1.1142 in28.301 mm N/A 46500 lbf207000 N N/A 6920 lbf30800 N N/A 53000 N/A
53176-90021 N/A 1.7500 in44.450 mm N/A 3.7500 in95.250 mm N/A 1.7500 in44.450 mm N/A 2.5625 in65.088 mm N/A 1.1142 in28.301 mm N/A 46500 lbf207000 N N/A 6920 lbf30800 N N/A 53000 N/A
53178-90029 N/A 1.7500 in44.450 mm N/A 3.7500 in95.250 mm N/A 1.7500 in44.450 mm N/A 2.5625 in65.088 mm N/A 1.1142 in28.301 mm N/A 46500 lbf207000 N N/A 6920 lbf30800 N N/A 53000 N/A
435-902A2 N/A 1.7500 in44.450 mm N/A 3.7500 in95.250 mm N/A 2 in50.8 mm N/A 2.4376 in61.915 mm N/A 1.1772 in29.901 mm N/A 49700 lbf221000 N N/A 7400 lbf32900 N N/A 435 N/A
Unit of Measure
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