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

HM256849-902B1 N/A 11.8125 in300.038 mm N/A 16.625 in422.275 mm N/A 5.375 in136.525 mm N/A 6.875 in174.625 mm N/A 3.25 in82.55 mm N/A 508000 lbf2260000 N N/A 75600 lbf336000 N N/A HM256800 N/A
HM256849 / HM256810D N/A 11.8125 in300.038 mm N/A 16.625 in422.275 mm N/A 5.375 in136.525 mm N/A 6.875 in174.625 mm N/A 3.25 in82.55 mm N/A 508000 lbf2260000 N N/A 336000 N N/A HM256800 N/A
HM256849-902E2 N/A 11.8125 in300.038 mm N/A 16.625 in422.275 mm N/A 5.375 in136.525 mm N/A 6.875 in174.625 mm N/A 3.25 in82.55 mm N/A 508000 lbf2260000 N N/A 75600 lbf336000 N N/A HM256800 N/A
HM256849-90069 N/A 11.8125 in300.038 mm N/A 16.625 in422.275 mm N/A 5.375 in136.525 mm N/A 6.875 in174.625 mm N/A 3.25 in82.55 mm N/A 508000 lbf2260000 N N/A 75600 lbf336000 N N/A HM256800 N/A
HM256849-902A2 N/A 11.8125 in300.038 mm N/A 16.625 in422.275 mm N/A 5.375 in136.525 mm N/A 6.875 in174.625 mm N/A 3.25 in82.55 mm N/A 508000 lbf2260000 N N/A 75600 lbf336000 N N/A HM256800 N/A
HM256849-902A3 N/A 11.8125 in300.038 mm N/A 16.625 in422.275 mm N/A 5.375 in136.525 mm N/A 6.875 in174.625 mm N/A 3.25 in82.55 mm N/A 508000 lbf2260000 N N/A 75600 lbf336000 N N/A HM256800 N/A
HM256849-90070 N/A 11.8125 in300.038 mm N/A 16.625 in422.275 mm N/A 5.375 in136.525 mm N/A 6.875 in174.625 mm N/A 3.25 in82.55 mm N/A 508000 lbf2260000 N N/A 75600 lbf336000 N N/A HM256800 N/A
HM256849-90071 N/A 11.8125 in300.038 mm N/A 16.625 in422.275 mm N/A 5.375 in136.525 mm N/A 6.875 in174.625 mm N/A 3.25 in82.55 mm N/A 508000 lbf2260000 N N/A 75600 lbf336000 N N/A HM256800 N/A
HM256849-902B3 N/A 11.8125 in300.038 mm N/A 16.625 in422.275 mm N/A 5.375 in136.525 mm N/A 6.875 in174.625 mm N/A 3.25 in82.55 mm N/A 508000 lbf2260000 N N/A 75600 lbf336000 N N/A HM256800 N/A
HM256849-902C4 N/A 11.8125 in300.038 mm N/A 16.625 in422.275 mm N/A 5.375 in136.525 mm N/A 6.875 in174.625 mm N/A 3.25 in82.55 mm N/A 508000 lbf2260000 N N/A 75600 lbf336000 N N/A HM256800 N/A
HM256849-902F1 N/A 11.8125 in300.038 mm N/A 16.625 in422.275 mm N/A 5.375 in136.525 mm N/A 6.875 in174.625 mm N/A 3.25 in82.55 mm N/A 508000 lbf2260000 N N/A 75600 lbf336000 N N/A HM256800 N/A
DX577285 / DX351408 N/A 12 in304.8 mm N/A 15.5 in393.7 mm N/A 3.25 in82.55 mm N/A 4.2499 in107.947 mm N/A 2 in50.8 mm N/A 282000 lbf1260000 N N/A 42100 lbf187000 N N/A N/A
L357049-90053 N/A 12 in304.8 mm N/A 15.5 in393.7 mm N/A 3.25 in82.55 mm N/A 4.2499 in107.947 mm N/A 2 in50.8 mm N/A 229000 lbf1020000 N N/A 34200 lbf152000 N N/A L357000 N/A
L357049NW / L357010CD N/A 12 in304.8 mm N/A 15.5 in393.7 mm N/A 3.25 in82.55 mm N/A 4.25 in107.95 mm N/A 2.125 in53.975 mm N/A 229000 lbf1020000 N N/A 34200 lbf152000 N N/A L357000 N/A
L357049-90059 N/A 12 in304.8 mm N/A 15.5 in393.7 mm N/A 3.25 in82.55 mm N/A 4.2499 in107.947 mm N/A 2 in50.8 mm N/A 229000 lbf1020000 N N/A 34200 lbf152000 N N/A L357000 N/A
L357049-90061 N/A 12 in304.8 mm N/A 15.5 in393.7 mm N/A 3.25 in82.55 mm N/A 4.2499 in107.947 mm N/A 2 in50.8 mm N/A 229000 lbf1020000 N N/A 34200 lbf152000 N N/A L357000 N/A
L357049-90045 N/A 12 in304.8 mm N/A 15.5 in393.7 mm N/A 3.25 in82.55 mm N/A 4.2499 in107.947 mm N/A 2 in50.8 mm N/A 229000 lbf1020000 N N/A 34200 lbf152000 N N/A L357000 N/A
L357049-90047 N/A 12 in304.8 mm N/A 15.5 in393.7 mm N/A 3.25 in82.55 mm N/A 4.2499 in107.947 mm N/A 2 in50.8 mm N/A 229000 lbf1020000 N N/A 34200 lbf152000 N N/A L357000 N/A
L357049-90048 N/A 12 in304.8 mm N/A 15.5 in393.7 mm N/A 3.25 in82.55 mm N/A 4.2499 in107.947 mm N/A 2 in50.8 mm N/A 229000 lbf1020000 N N/A 34200 lbf152000 N N/A L357000 N/A
L357049-90049 N/A 12 in304.8 mm N/A 15.5 in393.7 mm N/A 3.25 in82.55 mm N/A 4.2499 in107.947 mm N/A 2 in50.8 mm N/A 229000 lbf1020000 N N/A 34200 lbf152000 N N/A L357000 N/A
L357049-90050 N/A 12 in304.8 mm N/A 15.5 in393.7 mm N/A 3.25 in82.55 mm N/A 4.2499 in107.947 mm N/A 2 in50.8 mm N/A 229000 lbf1020000 N N/A 34200 lbf152000 N N/A L357000 N/A
L357049-90052 N/A 12 in304.8 mm N/A 15.5 in393.7 mm N/A 3.25 in82.55 mm N/A 4.2499 in107.947 mm N/A 2 in50.8 mm N/A 229000 lbf1020000 N N/A 34200 lbf152000 N N/A L357000 N/A
L357049-90055 N/A 12 in304.8 mm N/A 15.5 in393.7 mm N/A 3.25 in82.55 mm N/A 4.2499 in107.947 mm N/A 2 in50.8 mm N/A 229000 lbf1020000 N N/A 34200 lbf152000 N N/A L357000 N/A
L357049-90056 N/A 12 in304.8 mm N/A 15.5 in393.7 mm N/A 3.25 in82.55 mm N/A 4.2499 in107.947 mm N/A 2 in50.8 mm N/A 229000 lbf1020000 N N/A 34200 lbf152000 N N/A L357000 N/A
L357049-90057 N/A 12 in304.8 mm N/A 15.5 in393.7 mm N/A 3.25 in82.55 mm N/A 4.2499 in107.947 mm N/A 2 in50.8 mm N/A 229000 lbf1020000 N N/A 34200 lbf152000 N N/A L357000 N/A
Unit of Measure
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