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

M249736-904A2 N/A 9.3437 in237.33 mm N/A 14.1250 in358.775 mm N/A 4.625 in117.475 mm N/A 5.9999 in152.397 mm N/A 2.8125 in71.438 mm N/A 358000 lbf1590000 N N/A 53300 lbf237000 N N/A M249700 N/A
M249736-904A3 N/A 9.3437 in237.33 mm N/A 14.1250 in358.775 mm N/A 4.625 in117.475 mm N/A 5.9999 in152.397 mm N/A 2.8125 in71.438 mm N/A 358000 lbf1590000 N N/A 53300 lbf237000 N N/A M249700 N/A
M249736-902A3 N/A 9.3437 in237.33 mm N/A 14.1250 in358.775 mm N/A 4.625 in117.475 mm N/A 5.9999 in152.397 mm N/A 2.8125 in71.438 mm N/A 358000 lbf1590000 N N/A 53300 lbf237000 N N/A M249700 N/A
M249736-902A4 N/A 9.3437 in237.33 mm N/A 14.1250 in358.775 mm N/A 4.625 in117.475 mm N/A 5.9999 in152.397 mm N/A 2.8125 in71.438 mm N/A 358000 lbf1590000 N N/A 53300 lbf237000 N N/A M249700 N/A
M249736-904A1 N/A 9.3437 in237.33 mm N/A 14.1250 in358.775 mm N/A 4.625 in117.475 mm N/A 5.9999 in152.397 mm N/A 2.8125 in71.438 mm N/A 358000 lbf1590000 N N/A 53300 lbf237000 N N/A M249700 N/A
8578-90187 N/A 9.5000 in241.300 mm N/A 12.875 in327.025 mm N/A 3.25 in82.55 mm N/A 4.5 in114.3 mm N/A 2.0625 in52.388 mm N/A 206000 lbf918000 N N/A 30700 lbf137000 N N/A 8500 N/A
8578-90151 N/A 9.5000 in241.300 mm N/A 12.875 in327.025 mm N/A 3.25 in82.55 mm N/A 4.5 in114.3 mm N/A 2.0625 in52.388 mm N/A 206000 lbf918000 N N/A 30700 lbf137000 N N/A 8500 N/A
8578-90153 N/A 9.5000 in241.300 mm N/A 12.875 in327.025 mm N/A 3.25 in82.55 mm N/A 4.5 in114.3 mm N/A 2.0625 in52.388 mm N/A 206000 lbf918000 N N/A 30700 lbf137000 N N/A 8500 N/A
8578-90157 N/A 9.5000 in241.300 mm N/A 12.875 in327.025 mm N/A 3.25 in82.55 mm N/A 4.5 in114.3 mm N/A 2.0625 in52.388 mm N/A 206000 lbf918000 N N/A 30700 lbf137000 N N/A 8500 N/A
8578-90183 N/A 9.5000 in241.300 mm N/A 12.875 in327.025 mm N/A 3.25 in82.55 mm N/A 4.5 in114.3 mm N/A 2.0625 in52.388 mm N/A 206000 lbf918000 N N/A 30700 lbf137000 N N/A 8500 N/A
8578-90189 N/A 9.5000 in241.300 mm N/A 12.875 in327.025 mm N/A 3.25 in82.55 mm N/A 4.5 in114.3 mm N/A 2.0625 in52.388 mm N/A 206000 lbf918000 N N/A 30700 lbf137000 N N/A 8500 N/A
8578-90182 N/A 9.5000 in241.300 mm N/A 12.875 in327.025 mm N/A 3.25 in82.55 mm N/A 4.5 in114.3 mm N/A 2.0625 in52.388 mm N/A 206000 lbf918000 N N/A 30700 lbf137000 N N/A 8500 N/A
8578-90184 N/A 9.5000 in241.300 mm N/A 12.875 in327.025 mm N/A 3.25 in82.55 mm N/A 4.5 in114.3 mm N/A 2.0625 in52.388 mm N/A 206000 lbf918000 N N/A 30700 lbf137000 N N/A 8500 N/A
8578-90185 N/A 9.5000 in241.300 mm N/A 12.875 in327.025 mm N/A 3.25 in82.55 mm N/A 4.5 in114.3 mm N/A 2.0625 in52.388 mm N/A 206000 lbf918000 N N/A 30700 lbf137000 N N/A 8500 N/A
8578-90188 N/A 9.5000 in241.300 mm N/A 12.875 in327.025 mm N/A 3.25 in82.55 mm N/A 4.5 in114.3 mm N/A 2.0625 in52.388 mm N/A 206000 lbf918000 N N/A 30700 lbf137000 N N/A 8500 N/A
8578-90191 N/A 9.5000 in241.300 mm N/A 12.875 in327.025 mm N/A 3.25 in82.55 mm N/A 4.5 in114.3 mm N/A 2.0625 in52.388 mm N/A 206000 lbf918000 N N/A 30700 lbf137000 N N/A 8500 N/A
8578-902A4 N/A 9.5000 in241.300 mm N/A 12.875 in327.025 mm N/A 3.25 in82.55 mm N/A 4.5 in114.3 mm N/A 2.0625 in52.388 mm N/A 206000 lbf918000 N N/A 30700 lbf137000 N N/A 8500 N/A
8578 / 8522D N/A 9.5000 in241.300 mm N/A 12.9380 in328.625 mm N/A 3.25 in82.55 mm N/A 4.5 in114.3 mm N/A 2.0625 in52.388 mm N/A 206000 lbf918000 N N/A 30700 lbf137000 N N/A 8500 N/A
EE127095-90070 N/A 9.5000 in241.300 mm N/A 13.746 in349.148 mm N/A 4 in101.6 mm N/A 5.0000 in127 mm N/A 2.25 in57.15 mm N/A 258000 lbf1150000 N N/A 38500 lbf171000 N N/A 127000 N/A
EE127095-90071 N/A 9.5000 in241.300 mm N/A 13.746 in349.148 mm N/A 4 in101.6 mm N/A 5.0000 in127 mm N/A 2.25 in57.15 mm N/A 258000 lbf1150000 N N/A 38500 lbf171000 N N/A 127000 N/A
EE127095-90072 N/A 9.5000 in241.300 mm N/A 13.746 in349.148 mm N/A 4 in101.6 mm N/A 5.0000 in127 mm N/A 2.25 in57.15 mm N/A 258000 lbf1150000 N N/A 38500 lbf171000 N N/A 127000 N/A
EE127095-90073 N/A 9.5000 in241.300 mm N/A 13.746 in349.148 mm N/A 4 in101.6 mm N/A 5.0000 in127 mm N/A 2.25 in57.15 mm N/A 258000 lbf1150000 N N/A 38500 lbf171000 N N/A 127000 N/A
EE127095-90074 N/A 9.5000 in241.300 mm N/A 13.746 in349.148 mm N/A 4 in101.6 mm N/A 5.0000 in127 mm N/A 2.25 in57.15 mm N/A 258000 lbf1150000 N N/A 38500 lbf171000 N N/A 127000 N/A
EE127095-90077 N/A 9.5000 in241.300 mm N/A 13.746 in349.148 mm N/A 4 in101.6 mm N/A 5.0000 in127 mm N/A 2.25 in57.15 mm N/A 258000 lbf1150000 N N/A 38500 lbf171000 N N/A 127000 N/A
EE127095-90080 N/A 9.5000 in241.300 mm N/A 13.746 in349.148 mm N/A 4 in101.6 mm N/A 5.0000 in127 mm N/A 2.25 in57.15 mm N/A 258000 lbf1150000 N N/A 38500 lbf171000 N N/A 127000 N/A
Unit of Measure
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