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 |
|---|---|---|---|---|---|---|---|---|---|
| 02878 / 02823D | Bore (d) N/A 1.3750 in34.925 mm | O.D. (D) N/A 3 in76.2 mm | Outer Ring Width (C) N/A 1.5 in38.1 mm | Width (T) N/A 1.875 in47.625 mm | Inner Ring Width (B) N/A 0.875 in22.225 mm | Dynamic Radial Load Rating - 1M Revs (C1) N/A 25700 lbf114000 N | Dynamic Radial Load Rating - 90M Revs (C90) N/A 3830 lbf17000 N | Series N/A 2800 |
CAD
N/A
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| 27875-90030 | Bore (d) N/A 1.3750 in34.925 mm | O.D. (D) N/A 3.1510 in80.035 mm | Outer Ring Width (C) N/A 1.77 in44.958 mm | Width (T) N/A 2.2500 in57.150 mm | Inner Ring Width (B) N/A 0.933 in23.698 mm | Dynamic Radial Load Rating - 1M Revs (C1) N/A 30500 lbf136000 N | Dynamic Radial Load Rating - 90M Revs (C90) N/A 4550 lbf20200 N | Series N/A 27800 |
CAD
N/A
|
| 28137 / 28314XD | Bore (d) N/A 1.3750 in34.925 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 29500 lbf131000 N | Dynamic Radial Load Rating - 90M Revs (C90) N/A 4390 lbf19500 N | Series N/A 28000 |
CAD
N/A
|
| 28137 / 28318D | Bore (d) N/A 1.3750 in34.925 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 29500 lbf131000 N | Dynamic Radial Load Rating - 90M Revs (C90) N/A 4390 lbf19500 N | Series N/A 28000 |
CAD
N/A
|
| 27875-90036 | Bore (d) N/A 1.3750 in34.925 mm | O.D. (D) N/A 3.1510 in80.035 mm | Outer Ring Width (C) N/A 1.77 in44.958 mm | Width (T) N/A 2.2500 in57.150 mm | Inner Ring Width (B) N/A 0.933 in23.698 mm | Dynamic Radial Load Rating - 1M Revs (C1) N/A 30500 lbf136000 N | Dynamic Radial Load Rating - 90M Revs (C90) N/A 4550 lbf20200 N | Series N/A 27800 |
CAD
N/A
|
| 27875-90039 | Bore (d) N/A 1.3750 in34.925 mm | O.D. (D) N/A 3.1510 in80.035 mm | Outer Ring Width (C) N/A 1.77 in44.958 mm | Width (T) N/A 2.2500 in57.150 mm | Inner Ring Width (B) N/A 0.933 in23.698 mm | Dynamic Radial Load Rating - 1M Revs (C1) N/A 30500 lbf136000 N | Dynamic Radial Load Rating - 90M Revs (C90) N/A 4550 lbf20200 N | Series N/A 27800 |
CAD
N/A
|
| 3482 / 3423D | Bore (d) N/A 1.3750 in34.925 mm | O.D. (D) N/A 3.2500 in82.550 mm | Outer Ring Width (C) N/A 2.1875 in55.563 mm | Width (T) N/A 2.6251 in66.678 mm | Inner Ring Width (B) N/A 1.1721 in29.771 mm | Dynamic Radial Load Rating - 1M Revs (C1) N/A 41000 lbf182000 N | Dynamic Radial Load Rating - 90M Revs (C90) N/A 6100 lbf27100 N | Series N/A 3400 |
CAD
N/A
|
| 3478 / 3423D | Bore (d) N/A 1.3750 in34.925 mm | O.D. (D) N/A 3.2500 in82.550 mm | Outer Ring Width (C) N/A 2.1875 in55.563 mm | Width (T) N/A 2.6251 in66.678 mm | Inner Ring Width (B) N/A 1.1721 in29.771 mm | Dynamic Radial Load Rating - 1M Revs (C1) N/A 41000 lbf182000 N | Dynamic Radial Load Rating - 90M Revs (C90) N/A 6100 lbf27100 N | Series N/A 3400 |
CAD
N/A
|
| 3482 / 3424YD | Bore (d) N/A 1.3750 in34.925 mm | O.D. (D) N/A 3.2500 in82.550 mm | Outer Ring Width (C) N/A 2.1875 in55.563 mm | Width (T) N/A 2.6251 in66.678 mm | Inner Ring Width (B) N/A 1.1721 in29.771 mm | Dynamic Radial Load Rating - 1M Revs (C1) N/A 41000 lbf182000 N | Dynamic Radial Load Rating - 90M Revs (C90) N/A 6100 lbf27100 N | Series N/A 3400 |
CAD
N/A
|
| 3478 / 3424YD | Bore (d) N/A 1.3750 in34.925 mm | O.D. (D) N/A 3.2500 in82.550 mm | Outer Ring Width (C) N/A 2.1875 in55.563 mm | Width (T) N/A 2.6251 in66.678 mm | Inner Ring Width (B) N/A 1.1721 in29.771 mm | Dynamic Radial Load Rating - 1M Revs (C1) N/A 41000 lbf182000 N | Dynamic Radial Load Rating - 90M Revs (C90) N/A 6100 lbf27100 N | Series N/A 3400 |
CAD
N/A
|
| 449 / 432D | Bore (d) N/A 1.3750 in34.925 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
|
| 449 / 432DC | Bore (d) N/A 1.3750 in34.925 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
|
| 14139-90051 | Bore (d) N/A 1.3770 in34.976 mm | O.D. (D) N/A 2.717 in69.012 mm | Outer Ring Width (C) N/A 1.5 in38.1 mm | Width (T) N/A 1.8126 in46.04 mm | Inner Ring Width (B) N/A 0.771 in19.583 mm | Dynamic Radial Load Rating - 1M Revs (C1) N/A 21400 lbf95100 N | Dynamic Radial Load Rating - 90M Revs (C90) N/A 3180 lbf14200 N | Series N/A 14000 |
CAD
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| 14139-90056 | Bore (d) N/A 1.3770 in34.976 mm | O.D. (D) N/A 2.717 in69.012 mm | Outer Ring Width (C) N/A 1.5 in38.1 mm | Width (T) N/A 1.8126 in46.04 mm | Inner Ring Width (B) N/A 0.771 in19.583 mm | Dynamic Radial Load Rating - 1M Revs (C1) N/A 21400 lbf95100 N | Dynamic Radial Load Rating - 90M Revs (C90) N/A 3180 lbf14200 N | Series N/A 14000 |
CAD
N/A
|
| 28138 / 28314XD | Bore (d) N/A 1.3770 in34.976 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
|
| 28138 / 28318D | Bore (d) N/A 1.3770 in34.976 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
|
| 14139X / 14276D | Bore (d) N/A 1.3780 in35.001 mm | O.D. (D) N/A 2.717 in69.012 mm | Outer Ring Width (C) N/A 1.5 in38.1 mm | Width (T) N/A 1.8126 in46.04 mm | Inner Ring Width (B) N/A 0.771 in19.583 mm | Dynamic Radial Load Rating - 1M Revs (C1) N/A 21400 lbf95100 N | Dynamic Radial Load Rating - 90M Revs (C90) N/A 3180 lbf14200 N | Series N/A 14000 |
CAD
N/A
|
| 43138X / 43319D | Bore (d) N/A 1.3780 in35.001 mm | O.D. (D) N/A 3.1875 in80.963 mm | Outer Ring Width (C) N/A 1.5625 in39.688 mm | Width (T) N/A 2.1251 in53.978 mm | Inner Ring Width (B) N/A 0.9166 in23.282 mm | Dynamic Radial Load Rating - 1M Revs (C1) N/A 30400 lbf135000 N | Dynamic Radial Load Rating - 90M Revs (C90) N/A 4520 lbf20100 N | Series N/A 43000 |
CAD
N/A
|
| 3480 / 3423D | Bore (d) N/A 1.3780 in35.001 mm | O.D. (D) N/A 3.2500 in82.550 mm | Outer Ring Width (C) N/A 2.1875 in55.563 mm | Width (T) N/A 2.6251 in66.678 mm | Inner Ring Width (B) N/A 1.1721 in29.771 mm | Dynamic Radial Load Rating - 1M Revs (C1) N/A 41000 lbf182000 N | Dynamic Radial Load Rating - 90M Revs (C90) N/A 6100 lbf27100 N | Series N/A 3400 |
CAD
N/A
|
| 3480 / 3424YD | Bore (d) N/A 1.3780 in35.001 mm | O.D. (D) N/A 3.2500 in82.550 mm | Outer Ring Width (C) N/A 2.1875 in55.563 mm | Width (T) N/A 2.6251 in66.678 mm | Inner Ring Width (B) N/A 1.1721 in29.771 mm | Dynamic Radial Load Rating - 1M Revs (C1) N/A 41000 lbf182000 N | Dynamic Radial Load Rating - 90M Revs (C90) N/A 6100 lbf27100 N | Series N/A 3400 |
CAD
N/A
|
| 441 / 432D | Bore (d) N/A 1.3780 in35.001 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
|
| 441 / 432DC | Bore (d) N/A 1.3780 in35.001 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
|
| 13682 / 13621D | Bore (d) N/A 1.4375 in36.513 mm | O.D. (D) N/A 2.717 in69.012 mm | Outer Ring Width (C) N/A 1.5 in38.1 mm | Width (T) N/A 1.8123 in46.032 mm | Inner Ring Width (B) N/A 0.75 in19.05 mm | Dynamic Radial Load Rating - 1M Revs (C1) N/A 26300 lbf117000 N | Dynamic Radial Load Rating - 90M Revs (C90) N/A 3920 lbf17400 N | Series N/A 13600 |
CAD
N/A
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| 13682 / 13621DC | Bore (d) N/A 1.4375 in36.513 mm | O.D. (D) N/A 2.717 in69.012 mm | Outer Ring Width (C) N/A 1.5 in38.1 mm | Width (T) N/A 1.8123 in46.032 mm | Inner Ring Width (B) N/A 0.75 in19.05 mm | Dynamic Radial Load Rating - 1M Revs (C1) N/A 26300 lbf117000 N | Dynamic Radial Load Rating - 90M Revs (C90) N/A 3920 lbf17400 N | Series N/A 13600 |
CAD
N/A
|
| 3479 / 3423D | Bore (d) N/A 1.4375 in36.513 mm | O.D. (D) N/A 3.2500 in82.550 mm | Outer Ring Width (C) N/A 2.1875 in55.563 mm | Width (T) N/A 2.6251 in66.678 mm | Inner Ring Width (B) N/A 1.1721 in29.771 mm | Dynamic Radial Load Rating - 1M Revs (C1) N/A 41000 lbf182000 N | Dynamic Radial Load Rating - 90M Revs (C90) N/A 6100 lbf27100 N | Series N/A 3400 |
CAD
N/A
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