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 |
|---|---|---|---|---|---|---|---|---|---|
| 25572 / 25520D | Bore (d) N/A 1.5 in38.1 mm | O.D. (D) N/A 3.2650 in82.931 mm | Outer Ring Width (C) N/A 1.875 in47.625 mm | Width (T) N/A 2.2500 in57.150 mm | Inner Ring Width (B) N/A 1.0000 in25.400 mm | Dynamic Radial Load Rating - 1M Revs (C1) N/A 35400 lbf158000 N | Dynamic Radial Load Rating - 90M Revs (C90) N/A 5270 lbf23500 N | Series N/A 25500 |
CAD
N/A
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| 25572 / 25520DC | Bore (d) N/A 1.5 in38.1 mm | O.D. (D) N/A 3.2650 in82.931 mm | Outer Ring Width (C) N/A 1.875 in47.625 mm | Width (T) N/A 2.2500 in57.150 mm | Inner Ring Width (B) N/A 1.0000 in25.400 mm | Dynamic Radial Load Rating - 1M Revs (C1) N/A 35400 lbf158000 N | Dynamic Radial Load Rating - 90M Revs (C90) N/A 5270 lbf23500 N | Series N/A 25500 |
CAD
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| 44150-99407 | Bore (d) N/A 1.5 in38.1 mm | O.D. (D) N/A 3.6250 in92.075 mm | Outer Ring Width (C) N/A 1.5625 in39.688 mm | Width (T) N/A 2.1875 in55.563 mm | Inner Ring Width (B) N/A 0.933 in23.698 mm | Dynamic Radial Load Rating - 1M Revs (C1) N/A 39100 lbf174000 N | Dynamic Radial Load Rating - 90M Revs (C90) N/A 5810 lbf25900 N | Series N/A 44000 |
CAD
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|
| 44150-90034 | Bore (d) N/A 1.5 in38.1 mm | O.D. (D) N/A 3.6250 in92.075 mm | Outer Ring Width (C) N/A 1.5625 in39.688 mm | Width (T) N/A 2.1875 in55.563 mm | Inner Ring Width (B) N/A 0.933 in23.698 mm | Dynamic Radial Load Rating - 1M Revs (C1) N/A 39100 lbf174000 N | Dynamic Radial Load Rating - 90M Revs (C90) N/A 5810 lbf25900 N | Series N/A 44000 |
CAD
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|
| 44150-90037 | Bore (d) N/A 1.5 in38.1 mm | O.D. (D) N/A 3.6250 in92.075 mm | Outer Ring Width (C) N/A 1.5625 in39.688 mm | Width (T) N/A 2.1875 in55.563 mm | Inner Ring Width (B) N/A 0.933 in23.698 mm | Dynamic Radial Load Rating - 1M Revs (C1) N/A 39100 lbf174000 N | Dynamic Radial Load Rating - 90M Revs (C90) N/A 5810 lbf25900 N | Series N/A 44000 |
CAD
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|
| 33880-90037 | Bore (d) N/A 1.5 in38.1 mm | O.D. (D) N/A 3.7500 in95.250 mm | Outer Ring Width (C) N/A 2.0624 in52.385 mm | Width (T) N/A 2.5000 in63.500 mm | Inner Ring Width (B) N/A 1.1250 in28.575 mm | Dynamic Radial Load Rating - 1M Revs (C1) N/A 50800 lbf226000 N | Dynamic Radial Load Rating - 90M Revs (C90) N/A 7560 lbf33600 N | Series N/A 33800 |
CAD
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| 33880 / 33821DC | Bore (d) N/A 1.5 in38.1 mm | O.D. (D) N/A 3.7500 in95.250 mm | Outer Ring Width (C) N/A 2.0624 in52.385 mm | Width (T) N/A 2.5000 in63.500 mm | Inner Ring Width (B) N/A 1.1250 in28.575 mm | Dynamic Radial Load Rating - 1M Revs (C1) N/A 50800 lbf226000 N | Dynamic Radial Load Rating - 90M Revs (C90) N/A 7560 lbf33600 N | Series N/A 33800 |
CAD
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| 444-99404 | Bore (d) N/A 1.5 in38.1 mm | O.D. (D) N/A 3.7500 in95.250 mm | Outer Ring Width (C) N/A 2 in50.8 mm | Width (T) N/A 2.4376 in61.915 mm | Inner Ring Width (B) N/A 1.1772 in29.901 mm | Dynamic Radial Load Rating - 1M Revs (C1) N/A 49700 lbf221000 N | Dynamic Radial Load Rating - 90M Revs (C90) N/A 7400 lbf32900 N | Series N/A 435 |
CAD
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| 440 / 432D | Bore (d) N/A 1.5 in38.1 mm | O.D. (D) N/A 3.7500 in95.250 mm | Outer Ring Width (C) N/A 2 in50.8 mm | Width (T) N/A 2.4376 in61.915 mm | Inner Ring Width (B) N/A 1.1772 in29.901 mm | Dynamic Radial Load Rating - 1M Revs (C1) N/A 49700 lbf221000 N | Dynamic Radial Load Rating - 90M Revs (C90) N/A 7400 lbf32900 N | Series N/A 435 |
CAD
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| 440 / 432DC | Bore (d) N/A 1.5 in38.1 mm | O.D. (D) N/A 3.7500 in95.250 mm | Outer Ring Width (C) N/A 2 in50.8 mm | Width (T) N/A 2.4376 in61.915 mm | Inner Ring Width (B) N/A 1.1772 in29.901 mm | Dynamic Radial Load Rating - 1M Revs (C1) N/A 49700 lbf221000 N | Dynamic Radial Load Rating - 90M Revs (C90) N/A 7400 lbf32900 N | Series N/A 435 |
CAD
N/A
|
| 444 / 432DC | Bore (d) N/A 1.5 in38.1 mm | O.D. (D) N/A 3.7500 in95.250 mm | Outer Ring Width (C) N/A 2 in50.8 mm | Width (T) N/A 2.4376 in61.915 mm | Inner Ring Width (B) N/A 1.1772 in29.901 mm | Dynamic Radial Load Rating - 1M Revs (C1) N/A 49700 lbf221000 N | Dynamic Radial Load Rating - 90M Revs (C90) N/A 7400 lbf32900 N | Series N/A 435 |
CAD
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|
| 53150-90068 | Bore (d) N/A 1.5 in38.1 mm | O.D. (D) N/A 3.7500 in95.250 mm | Outer Ring Width (C) N/A 1.7500 in44.450 mm | Width (T) N/A 2.5625 in65.088 mm | Inner Ring Width (B) N/A 1.1142 in28.301 mm | Dynamic Radial Load Rating - 1M Revs (C1) N/A 46500 lbf207000 N | Dynamic Radial Load Rating - 90M Revs (C90) N/A 6920 lbf30800 N | Series N/A 53000 |
CAD
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|
| 53150-90077 | Bore (d) N/A 1.5 in38.1 mm | O.D. (D) N/A 3.8750 in98.425 mm | Outer Ring Width (C) N/A 1.7500 in44.450 mm | Width (T) N/A 2.5625 in65.088 mm | Inner Ring Width (B) N/A 1.1142 in28.301 mm | Dynamic Radial Load Rating - 1M Revs (C1) N/A 46500 lbf207000 N | Dynamic Radial Load Rating - 90M Revs (C90) N/A 6920 lbf30800 N | Series N/A 53000 |
CAD
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| 455A / 452D | Bore (d) N/A 1.5 in38.1 mm | O.D. (D) N/A 4.25 in107.95 mm | Outer Ring Width (C) N/A 2.1250 in53.975 mm | Width (T) N/A 2.5625 in65.088 mm | Inner Ring Width (B) N/A 1.1542 in29.317 mm | Dynamic Radial Load Rating - 1M Revs (C1) N/A 53100 lbf236000 N | Dynamic Radial Load Rating - 90M Revs (C90) N/A 7900 lbf35200 N | Series N/A 455 |
CAD
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| 455A / 452DC | Bore (d) N/A 1.5 in38.1 mm | O.D. (D) N/A 4.25 in107.95 mm | Outer Ring Width (C) N/A 2.1250 in53.975 mm | Width (T) N/A 2.5625 in65.088 mm | Inner Ring Width (B) N/A 1.1542 in29.317 mm | Dynamic Radial Load Rating - 1M Revs (C1) N/A 53100 lbf236000 N | Dynamic Radial Load Rating - 90M Revs (C90) N/A 7900 lbf35200 N | Series N/A 455 |
CAD
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| 542 / 533D | Bore (d) N/A 1.5 in38.1 mm | O.D. (D) N/A 4.3750 in111.125 mm | Outer Ring Width (C) N/A 2.5 in63.5 mm | Width (T) N/A 3.125 in79.375 mm | Inner Ring Width (B) N/A 1.455 in36.957 mm | Dynamic Radial Load Rating - 1M Revs (C1) N/A 67400 lbf300000 N | Dynamic Radial Load Rating - 90M Revs (C90) N/A 10000 lbf44600 N | Series N/A 535 |
CAD
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|
| 542 / 533DC | Bore (d) N/A 1.5 in38.1 mm | O.D. (D) N/A 4.3750 in111.125 mm | Outer Ring Width (C) N/A 2.5 in63.5 mm | Width (T) N/A 3.125 in79.375 mm | Inner Ring Width (B) N/A 1.455 in36.957 mm | Dynamic Radial Load Rating - 1M Revs (C1) N/A 67400 lbf300000 N | Dynamic Radial Load Rating - 90M Revs (C90) N/A 10000 lbf44600 N | Series N/A 535 |
CAD
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| 13890-90021 | Bore (d) N/A 1.515 in38.481 mm | O.D. (D) N/A 2.5000 in63.500 mm | Outer Ring Width (C) N/A 1.2500 in31.750 mm | Width (T) N/A 1.5 in38.1 mm | Inner Ring Width (B) N/A 0.4688 in11.908 mm | Dynamic Radial Load Rating - 1M Revs (C1) N/A 10600 lbf47300 N | Dynamic Radial Load Rating - 90M Revs (C90) N/A 1580 lbf7040 N | Series N/A 13800 |
CAD
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|
| 44158-902A1 | Bore (d) N/A 1.5625 in39.688 mm | O.D. (D) N/A 3.6250 in92.075 mm | Outer Ring Width (C) N/A 1.5625 in39.688 mm | Width (T) N/A 2.1875 in55.563 mm | Inner Ring Width (B) N/A 0.933 in23.698 mm | Dynamic Radial Load Rating - 1M Revs (C1) N/A 39100 lbf174000 N | Dynamic Radial Load Rating - 90M Revs (C90) N/A 5810 lbf25900 N | Series N/A 44000 |
CAD
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| 44156 / 44363D | Bore (d) N/A 1.5625 in39.688 mm | O.D. (D) N/A 3.6250 in92.075 mm | Outer Ring Width (C) N/A 1.5625 in39.688 mm | Width (T) N/A 2.1875 in55.563 mm | Inner Ring Width (B) N/A 0.933 in23.698 mm | Dynamic Radial Load Rating - 1M Revs (C1) N/A 39100 lbf174000 N | Dynamic Radial Load Rating - 90M Revs (C90) N/A 5810 lbf25900 N | Series N/A 44000 |
CAD
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| 3774-99404 | Bore (d) N/A 1.5625 in39.688 mm | O.D. (D) N/A 3.6718 in93.264 mm | Outer Ring Width (C) N/A 2.0625 in52.388 mm | Width (T) N/A 2.5625 in65.088 mm | Inner Ring Width (B) N/A 1.193 in30.302 mm | Dynamic Radial Load Rating - 1M Revs (C1) N/A 47800 lbf213000 N | Dynamic Radial Load Rating - 90M Revs (C90) N/A 7120 lbf31700 N | Series N/A 3700 |
CAD
N/A
|
| 457 / 452D | Bore (d) N/A 1.5625 in39.688 mm | O.D. (D) N/A 4.25 in107.95 mm | Outer Ring Width (C) N/A 2.1250 in53.975 mm | Width (T) N/A 2.5625 in65.088 mm | Inner Ring Width (B) N/A 1.1542 in29.317 mm | Dynamic Radial Load Rating - 1M Revs (C1) N/A 53100 lbf236000 N | Dynamic Radial Load Rating - 90M Revs (C90) N/A 7900 lbf35200 N | Series N/A 455 |
CAD
N/A
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| 457 / 452DC | Bore (d) N/A 1.5625 in39.688 mm | O.D. (D) N/A 4.25 in107.95 mm | Outer Ring Width (C) N/A 2.1250 in53.975 mm | Width (T) N/A 2.5625 in65.088 mm | Inner Ring Width (B) N/A 1.1542 in29.317 mm | Dynamic Radial Load Rating - 1M Revs (C1) N/A 53100 lbf236000 N | Dynamic Radial Load Rating - 90M Revs (C90) N/A 7900 lbf35200 N | Series N/A 455 |
CAD
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| 28159 / 28314XD | Bore (d) N/A 1.5740 in39.980 mm | O.D. (D) N/A 3.1510 in80.035 mm | Outer Ring Width (C) N/A 1.375 in34.925 mm | Width (T) N/A 1.8126 in46.04 mm | Inner Ring Width (B) N/A 0.8244 in20.94 mm | Dynamic Radial Load Rating - 1M Revs (C1) N/A 24800 lbf111000 N | Dynamic Radial Load Rating - 90M Revs (C90) N/A 3700 lbf16500 N | Series N/A 28000 |
CAD
N/A
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| 28156-99401 | Bore (d) N/A 1.5740 in39.980 mm | O.D. (D) N/A 3.1510 in80.035 mm | Outer Ring Width (C) N/A 1.375 in34.925 mm | Width (T) N/A 1.7110 in43.459 mm | Inner Ring Width (B) N/A 0.7736 in19.649 mm | Dynamic Radial Load Rating - 1M Revs (C1) N/A 29500 lbf131000 N | Dynamic Radial Load Rating - 90M Revs (C90) N/A 4390 lbf19500 N | Series N/A 28000 |
CAD
N/A
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