Tapered Roller Bearings - TDO (Tapered Double Outer) Imperial
Timken® Double-Row Tapered Roller Bearings with Double Outer Race (TDO)
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.
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Bore (d) (in)
Bore (d) (mm)
O.D. (D) (in)
O.D. (D) (mm)
Width (T) (in)
Width (T) (mm)
Dynamic Radial Load Rating - 1M Revs (C1) (lbf)
Dynamic Radial Load Rating - 1M Revs (C1) (N)
Series
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 | Bore (d) N/A 9.3437 in237.33 mm | O.D. (D) N/A 14.1250 in358.775 mm | Outer Ring Width (C) N/A 4.625 in117.475 mm | Width (T) N/A 5.9999 in152.397 mm | Inner Ring Width (B) N/A 2.8125 in71.438 mm | Dynamic Radial Load Rating - 1M Revs (C1) N/A 358000 lbf1590000 N | Dynamic Radial Load Rating - 90M Revs (C90) N/A 53300 lbf237000 N | Series N/A M249700 |
CAD
N/A
|
| M249736-904A3 | Bore (d) N/A 9.3437 in237.33 mm | O.D. (D) N/A 14.1250 in358.775 mm | Outer Ring Width (C) N/A 4.625 in117.475 mm | Width (T) N/A 5.9999 in152.397 mm | Inner Ring Width (B) N/A 2.8125 in71.438 mm | Dynamic Radial Load Rating - 1M Revs (C1) N/A 358000 lbf1590000 N | Dynamic Radial Load Rating - 90M Revs (C90) N/A 53300 lbf237000 N | Series N/A M249700 |
CAD
N/A
|
| M249736-902A3 | Bore (d) N/A 9.3437 in237.33 mm | O.D. (D) N/A 14.1250 in358.775 mm | Outer Ring Width (C) N/A 4.625 in117.475 mm | Width (T) N/A 5.9999 in152.397 mm | Inner Ring Width (B) N/A 2.8125 in71.438 mm | Dynamic Radial Load Rating - 1M Revs (C1) N/A 358000 lbf1590000 N | Dynamic Radial Load Rating - 90M Revs (C90) N/A 53300 lbf237000 N | Series N/A M249700 |
CAD
N/A
|
| M249736-902A4 | Bore (d) N/A 9.3437 in237.33 mm | O.D. (D) N/A 14.1250 in358.775 mm | Outer Ring Width (C) N/A 4.625 in117.475 mm | Width (T) N/A 5.9999 in152.397 mm | Inner Ring Width (B) N/A 2.8125 in71.438 mm | Dynamic Radial Load Rating - 1M Revs (C1) N/A 358000 lbf1590000 N | Dynamic Radial Load Rating - 90M Revs (C90) N/A 53300 lbf237000 N | Series N/A M249700 |
CAD
N/A
|
| M249736-904A1 | Bore (d) N/A 9.3437 in237.33 mm | O.D. (D) N/A 14.1250 in358.775 mm | Outer Ring Width (C) N/A 4.625 in117.475 mm | Width (T) N/A 5.9999 in152.397 mm | Inner Ring Width (B) N/A 2.8125 in71.438 mm | Dynamic Radial Load Rating - 1M Revs (C1) N/A 358000 lbf1590000 N | Dynamic Radial Load Rating - 90M Revs (C90) N/A 53300 lbf237000 N | Series N/A M249700 |
CAD
N/A
|
| 8578-90187 | Bore (d) N/A 9.5000 in241.300 mm | O.D. (D) N/A 12.875 in327.025 mm | Outer Ring Width (C) N/A 3.25 in82.55 mm | Width (T) N/A 4.5 in114.3 mm | Inner Ring Width (B) N/A 2.0625 in52.388 mm | Dynamic Radial Load Rating - 1M Revs (C1) N/A 206000 lbf918000 N | Dynamic Radial Load Rating - 90M Revs (C90) N/A 30700 lbf137000 N | Series N/A 8500 |
CAD
N/A
|
| 8578-90151 | Bore (d) N/A 9.5000 in241.300 mm | O.D. (D) N/A 12.875 in327.025 mm | Outer Ring Width (C) N/A 3.25 in82.55 mm | Width (T) N/A 4.5 in114.3 mm | Inner Ring Width (B) N/A 2.0625 in52.388 mm | Dynamic Radial Load Rating - 1M Revs (C1) N/A 206000 lbf918000 N | Dynamic Radial Load Rating - 90M Revs (C90) N/A 30700 lbf137000 N | Series N/A 8500 |
CAD
N/A
|
| 8578-90153 | Bore (d) N/A 9.5000 in241.300 mm | O.D. (D) N/A 12.875 in327.025 mm | Outer Ring Width (C) N/A 3.25 in82.55 mm | Width (T) N/A 4.5 in114.3 mm | Inner Ring Width (B) N/A 2.0625 in52.388 mm | Dynamic Radial Load Rating - 1M Revs (C1) N/A 206000 lbf918000 N | Dynamic Radial Load Rating - 90M Revs (C90) N/A 30700 lbf137000 N | Series N/A 8500 |
CAD
N/A
|
| 8578-90157 | Bore (d) N/A 9.5000 in241.300 mm | O.D. (D) N/A 12.875 in327.025 mm | Outer Ring Width (C) N/A 3.25 in82.55 mm | Width (T) N/A 4.5 in114.3 mm | Inner Ring Width (B) N/A 2.0625 in52.388 mm | Dynamic Radial Load Rating - 1M Revs (C1) N/A 206000 lbf918000 N | Dynamic Radial Load Rating - 90M Revs (C90) N/A 30700 lbf137000 N | Series N/A 8500 |
CAD
N/A
|
| 8578-90183 | Bore (d) N/A 9.5000 in241.300 mm | O.D. (D) N/A 12.875 in327.025 mm | Outer Ring Width (C) N/A 3.25 in82.55 mm | Width (T) N/A 4.5 in114.3 mm | Inner Ring Width (B) N/A 2.0625 in52.388 mm | Dynamic Radial Load Rating - 1M Revs (C1) N/A 206000 lbf918000 N | Dynamic Radial Load Rating - 90M Revs (C90) N/A 30700 lbf137000 N | Series N/A 8500 |
CAD
N/A
|
| 8578-90189 | Bore (d) N/A 9.5000 in241.300 mm | O.D. (D) N/A 12.875 in327.025 mm | Outer Ring Width (C) N/A 3.25 in82.55 mm | Width (T) N/A 4.5 in114.3 mm | Inner Ring Width (B) N/A 2.0625 in52.388 mm | Dynamic Radial Load Rating - 1M Revs (C1) N/A 206000 lbf918000 N | Dynamic Radial Load Rating - 90M Revs (C90) N/A 30700 lbf137000 N | Series N/A 8500 |
CAD
N/A
|
| 8578-90182 | Bore (d) N/A 9.5000 in241.300 mm | O.D. (D) N/A 12.875 in327.025 mm | Outer Ring Width (C) N/A 3.25 in82.55 mm | Width (T) N/A 4.5 in114.3 mm | Inner Ring Width (B) N/A 2.0625 in52.388 mm | Dynamic Radial Load Rating - 1M Revs (C1) N/A 206000 lbf918000 N | Dynamic Radial Load Rating - 90M Revs (C90) N/A 30700 lbf137000 N | Series N/A 8500 |
CAD
N/A
|
| 8578-90184 | Bore (d) N/A 9.5000 in241.300 mm | O.D. (D) N/A 12.875 in327.025 mm | Outer Ring Width (C) N/A 3.25 in82.55 mm | Width (T) N/A 4.5 in114.3 mm | Inner Ring Width (B) N/A 2.0625 in52.388 mm | Dynamic Radial Load Rating - 1M Revs (C1) N/A 206000 lbf918000 N | Dynamic Radial Load Rating - 90M Revs (C90) N/A 30700 lbf137000 N | Series N/A 8500 |
CAD
N/A
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| 8578-90185 | Bore (d) N/A 9.5000 in241.300 mm | O.D. (D) N/A 12.875 in327.025 mm | Outer Ring Width (C) N/A 3.25 in82.55 mm | Width (T) N/A 4.5 in114.3 mm | Inner Ring Width (B) N/A 2.0625 in52.388 mm | Dynamic Radial Load Rating - 1M Revs (C1) N/A 206000 lbf918000 N | Dynamic Radial Load Rating - 90M Revs (C90) N/A 30700 lbf137000 N | Series N/A 8500 |
CAD
N/A
|
| 8578-90188 | Bore (d) N/A 9.5000 in241.300 mm | O.D. (D) N/A 12.875 in327.025 mm | Outer Ring Width (C) N/A 3.25 in82.55 mm | Width (T) N/A 4.5 in114.3 mm | Inner Ring Width (B) N/A 2.0625 in52.388 mm | Dynamic Radial Load Rating - 1M Revs (C1) N/A 206000 lbf918000 N | Dynamic Radial Load Rating - 90M Revs (C90) N/A 30700 lbf137000 N | Series N/A 8500 |
CAD
N/A
|
| 8578-90191 | Bore (d) N/A 9.5000 in241.300 mm | O.D. (D) N/A 12.875 in327.025 mm | Outer Ring Width (C) N/A 3.25 in82.55 mm | Width (T) N/A 4.5 in114.3 mm | Inner Ring Width (B) N/A 2.0625 in52.388 mm | Dynamic Radial Load Rating - 1M Revs (C1) N/A 206000 lbf918000 N | Dynamic Radial Load Rating - 90M Revs (C90) N/A 30700 lbf137000 N | Series N/A 8500 |
CAD
N/A
|
| 8578-902A4 | Bore (d) N/A 9.5000 in241.300 mm | O.D. (D) N/A 12.875 in327.025 mm | Outer Ring Width (C) N/A 3.25 in82.55 mm | Width (T) N/A 4.5 in114.3 mm | Inner Ring Width (B) N/A 2.0625 in52.388 mm | Dynamic Radial Load Rating - 1M Revs (C1) N/A 206000 lbf918000 N | Dynamic Radial Load Rating - 90M Revs (C90) N/A 30700 lbf137000 N | Series N/A 8500 |
CAD
N/A
|
| 8578 / 8522D | Bore (d) N/A 9.5000 in241.300 mm | O.D. (D) N/A 12.9380 in328.625 mm | Outer Ring Width (C) N/A 3.25 in82.55 mm | Width (T) N/A 4.5 in114.3 mm | Inner Ring Width (B) N/A 2.0625 in52.388 mm | Dynamic Radial Load Rating - 1M Revs (C1) N/A 206000 lbf918000 N | Dynamic Radial Load Rating - 90M Revs (C90) N/A 30700 lbf137000 N | Series N/A 8500 |
CAD
N/A
|
| EE127095-90070 | Bore (d) N/A 9.5000 in241.300 mm | O.D. (D) N/A 13.746 in349.148 mm | Outer Ring Width (C) N/A 4 in101.6 mm | Width (T) N/A 5.0000 in127 mm | Inner Ring Width (B) N/A 2.25 in57.15 mm | Dynamic Radial Load Rating - 1M Revs (C1) N/A 258000 lbf1150000 N | Dynamic Radial Load Rating - 90M Revs (C90) N/A 38500 lbf171000 N | Series N/A 127000 |
CAD
N/A
|
| EE127095-90071 | Bore (d) N/A 9.5000 in241.300 mm | O.D. (D) N/A 13.746 in349.148 mm | Outer Ring Width (C) N/A 4 in101.6 mm | Width (T) N/A 5.0000 in127 mm | Inner Ring Width (B) N/A 2.25 in57.15 mm | Dynamic Radial Load Rating - 1M Revs (C1) N/A 258000 lbf1150000 N | Dynamic Radial Load Rating - 90M Revs (C90) N/A 38500 lbf171000 N | Series N/A 127000 |
CAD
N/A
|
| EE127095-90072 | Bore (d) N/A 9.5000 in241.300 mm | O.D. (D) N/A 13.746 in349.148 mm | Outer Ring Width (C) N/A 4 in101.6 mm | Width (T) N/A 5.0000 in127 mm | Inner Ring Width (B) N/A 2.25 in57.15 mm | Dynamic Radial Load Rating - 1M Revs (C1) N/A 258000 lbf1150000 N | Dynamic Radial Load Rating - 90M Revs (C90) N/A 38500 lbf171000 N | Series N/A 127000 |
CAD
N/A
|
| EE127095-90073 | Bore (d) N/A 9.5000 in241.300 mm | O.D. (D) N/A 13.746 in349.148 mm | Outer Ring Width (C) N/A 4 in101.6 mm | Width (T) N/A 5.0000 in127 mm | Inner Ring Width (B) N/A 2.25 in57.15 mm | Dynamic Radial Load Rating - 1M Revs (C1) N/A 258000 lbf1150000 N | Dynamic Radial Load Rating - 90M Revs (C90) N/A 38500 lbf171000 N | Series N/A 127000 |
CAD
N/A
|
| EE127095-90074 | Bore (d) N/A 9.5000 in241.300 mm | O.D. (D) N/A 13.746 in349.148 mm | Outer Ring Width (C) N/A 4 in101.6 mm | Width (T) N/A 5.0000 in127 mm | Inner Ring Width (B) N/A 2.25 in57.15 mm | Dynamic Radial Load Rating - 1M Revs (C1) N/A 258000 lbf1150000 N | Dynamic Radial Load Rating - 90M Revs (C90) N/A 38500 lbf171000 N | Series N/A 127000 |
CAD
N/A
|
| EE127095-90077 | Bore (d) N/A 9.5000 in241.300 mm | O.D. (D) N/A 13.746 in349.148 mm | Outer Ring Width (C) N/A 4 in101.6 mm | Width (T) N/A 5.0000 in127 mm | Inner Ring Width (B) N/A 2.25 in57.15 mm | Dynamic Radial Load Rating - 1M Revs (C1) N/A 258000 lbf1150000 N | Dynamic Radial Load Rating - 90M Revs (C90) N/A 38500 lbf171000 N | Series N/A 127000 |
CAD
N/A
|
| EE127095-90080 | Bore (d) N/A 9.5000 in241.300 mm | O.D. (D) N/A 13.746 in349.148 mm | Outer Ring Width (C) N/A 4 in101.6 mm | Width (T) N/A 5.0000 in127 mm | Inner Ring Width (B) N/A 2.25 in57.15 mm | Dynamic Radial Load Rating - 1M Revs (C1) N/A 258000 lbf1150000 N | Dynamic Radial Load Rating - 90M Revs (C90) N/A 38500 lbf171000 N | Series N/A 127000 |
CAD
N/A
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