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 |
|---|---|---|---|---|---|---|---|---|---|
| 28985-90098 | Bore (d) N/A 2.3750 in60.325 mm | O.D. (D) N/A 3.9370 in100.000 mm | Outer Ring Width (C) N/A 1.7500 in44.450 mm | Width (T) N/A 2.1874 in55.56 mm | Inner Ring Width (B) N/A 1.0000 in25.400 mm | Dynamic Radial Load Rating - 1M Revs (C1) N/A 41500 lbf185000 N | Dynamic Radial Load Rating - 90M Revs (C90) N/A 6180 lbf27500 N | Series N/A 28900 |
CAD
N/A
|
| 28985-902A2 | Bore (d) N/A 2.3750 in60.325 mm | O.D. (D) N/A 3.9370 in100.000 mm | Outer Ring Width (C) N/A 1.7500 in44.450 mm | Width (T) N/A 2.1874 in55.56 mm | Inner Ring Width (B) N/A 1.0000 in25.400 mm | Dynamic Radial Load Rating - 1M Revs (C1) N/A 41500 lbf185000 N | Dynamic Radial Load Rating - 90M Revs (C90) N/A 6180 lbf27500 N | Series N/A 28900 |
CAD
N/A
|
| 558-99477 | Bore (d) N/A 2.3750 in60.325 mm | O.D. (D) N/A 4.8750 in123.825 mm | Outer Ring Width (C) N/A 2.5 in63.5 mm | Width (T) N/A 3.1249 in79.372 mm | Inner Ring Width (B) N/A 1.444 in36.678 mm | Dynamic Radial Load Rating - 1M Revs (C1) N/A 88500 lbf394000 N | Dynamic Radial Load Rating - 90M Revs (C90) N/A 13200 lbf58600 N | Series N/A 555 |
CAD
N/A
|
| 558A-90036 | Bore (d) N/A 2.3750 in60.325 mm | O.D. (D) N/A 4.8750 in123.825 mm | Outer Ring Width (C) N/A 2.5 in63.5 mm | Width (T) N/A 3.1249 in79.372 mm | Inner Ring Width (B) N/A 1.444 in36.678 mm | Dynamic Radial Load Rating - 1M Revs (C1) N/A 74700 lbf332000 N | Dynamic Radial Load Rating - 90M Revs (C90) N/A 11100 lbf49400 N | Series N/A 555 |
CAD
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|
| 557A / 552D | Bore (d) N/A 2.3750 in60.325 mm | O.D. (D) N/A 4.8750 in123.825 mm | Outer Ring Width (C) N/A 2.5 in63.5 mm | Width (T) N/A 3.1249 in79.372 mm | Inner Ring Width (B) N/A 1.444 in36.678 mm | Dynamic Radial Load Rating - 1M Revs (C1) N/A 74700 lbf332000 N | Dynamic Radial Load Rating - 90M Revs (C90) N/A 11100 lbf49400 N | Series N/A 555 |
CAD
N/A
|
| 557A / 552DC | Bore (d) N/A 2.3750 in60.325 mm | O.D. (D) N/A 4.8750 in123.825 mm | Outer Ring Width (C) N/A 2.5 in63.5 mm | Width (T) N/A 3.1249 in79.372 mm | Inner Ring Width (B) N/A 1.444 in36.678 mm | Dynamic Radial Load Rating - 1M Revs (C1) N/A 74700 lbf332000 N | Dynamic Radial Load Rating - 90M Revs (C90) N/A 11100 lbf49400 N | Series N/A 555 |
CAD
N/A
|
| 558 / 552DC | Bore (d) N/A 2.3750 in60.325 mm | O.D. (D) N/A 4.8750 in123.825 mm | Outer Ring Width (C) N/A 2.5 in63.5 mm | Width (T) N/A 3.1249 in79.372 mm | Inner Ring Width (B) N/A 1.444 in36.678 mm | Dynamic Radial Load Rating - 1M Revs (C1) N/A 88500 lbf394000 N | Dynamic Radial Load Rating - 90M Revs (C90) N/A 13200 lbf58600 N | Series N/A 555 |
CAD
N/A
|
| 558A / 552DC | Bore (d) N/A 2.3750 in60.325 mm | O.D. (D) N/A 4.8750 in123.825 mm | Outer Ring Width (C) N/A 2.5 in63.5 mm | Width (T) N/A 3.1249 in79.372 mm | Inner Ring Width (B) N/A 1.444 in36.678 mm | Dynamic Radial Load Rating - 1M Revs (C1) N/A 74700 lbf332000 N | Dynamic Radial Load Rating - 90M Revs (C90) N/A 11100 lbf49400 N | Series N/A 555 |
CAD
N/A
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| 558-90031 | Bore (d) N/A 2.3750 in60.325 mm | O.D. (D) N/A 4.8750 in123.825 mm | Outer Ring Width (C) N/A 2.5 in63.5 mm | Width (T) N/A 3.1249 in79.372 mm | Inner Ring Width (B) N/A 1.444 in36.678 mm | Dynamic Radial Load Rating - 1M Revs (C1) N/A 88500 lbf394000 N | Dynamic Radial Load Rating - 90M Revs (C90) N/A 13200 lbf58600 N | Series N/A 555 |
CAD
N/A
|
| 558-90032 | Bore (d) N/A 2.3750 in60.325 mm | O.D. (D) N/A 4.8750 in123.825 mm | Outer Ring Width (C) N/A 2.5 in63.5 mm | Width (T) N/A 3.1249 in79.372 mm | Inner Ring Width (B) N/A 1.444 in36.678 mm | Dynamic Radial Load Rating - 1M Revs (C1) N/A 88500 lbf394000 N | Dynamic Radial Load Rating - 90M Revs (C90) N/A 13200 lbf58600 N | Series N/A 555 |
CAD
N/A
|
| 558-90034 | Bore (d) N/A 2.3750 in60.325 mm | O.D. (D) N/A 4.8750 in123.825 mm | Outer Ring Width (C) N/A 2.5 in63.5 mm | Width (T) N/A 3.1249 in79.372 mm | Inner Ring Width (B) N/A 1.444 in36.678 mm | Dynamic Radial Load Rating - 1M Revs (C1) N/A 88500 lbf394000 N | Dynamic Radial Load Rating - 90M Revs (C90) N/A 13200 lbf58600 N | Series N/A 555 |
CAD
N/A
|
| 558-90101 | Bore (d) N/A 2.3750 in60.325 mm | O.D. (D) N/A 4.8750 in123.825 mm | Outer Ring Width (C) N/A 2.5 in63.5 mm | Width (T) N/A 3.1249 in79.372 mm | Inner Ring Width (B) N/A 1.444 in36.678 mm | Dynamic Radial Load Rating - 1M Revs (C1) N/A 88500 lbf394000 N | Dynamic Radial Load Rating - 90M Revs (C90) N/A 13200 lbf58600 N | Series N/A 555 |
CAD
N/A
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| 78238C / 78549D | Bore (d) N/A 2.3750 in60.325 mm | O.D. (D) N/A 5.5 in139.7 mm | Outer Ring Width (C) N/A 2.0395 in51.803 mm | Width (T) N/A 3.0625 in77.788 mm | Inner Ring Width (B) N/A 1.3085 in33.236 mm | Dynamic Radial Load Rating - 1M Revs (C1) N/A 92600 lbf412000 N | Dynamic Radial Load Rating - 90M Revs (C90) N/A 13800 lbf61300 N | Series N/A 78000C |
CAD
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| 78238-90074 | Bore (d) N/A 2.3750 in60.325 mm | O.D. (D) N/A 5.5 in139.7 mm | Outer Ring Width (C) N/A 2.0395 in51.803 mm | Width (T) N/A 3.0625 in77.788 mm | Inner Ring Width (B) N/A 1.3085 in33.236 mm | Dynamic Radial Load Rating - 1M Revs (C1) N/A 79300 lbf353000 N | Dynamic Radial Load Rating - 90M Revs (C90) N/A 11800 lbf52600 N | Series N/A 78000 |
CAD
N/A
|
| 78238 / 78551DF | Bore (d) N/A 2.3750 in60.325 mm | O.D. (D) N/A 5.5100 in139.954 mm | Outer Ring Width (C) N/A 2.0395 in51.803 mm | Width (T) N/A 3.0625 in77.788 mm | Inner Ring Width (B) N/A 1.3085 in33.236 mm | Dynamic Radial Load Rating - 1M Revs (C1) N/A 79300 lbf353000 N | Dynamic Radial Load Rating - 90M Revs (C90) N/A 11800 lbf52600 N | Series N/A 78000 |
CAD
N/A
|
| 9275 / 9220D | Bore (d) N/A 2.3750 in60.325 mm | O.D. (D) N/A 6.3750 in161.925 mm | Outer Ring Width (C) N/A 2.781 in70.637 mm | Width (T) N/A 4.0310 in102.387 mm | Inner Ring Width (B) N/A 1.8125 in46.038 mm | Dynamic Radial Load Rating - 1M Revs (C1) N/A 116000 lbf518000 N | Dynamic Radial Load Rating - 90M Revs (C90) N/A 17300 lbf77100 N | Series N/A 9200 |
CAD
N/A
|
| 392-90028 | Bore (d) N/A 2.4375 in61.913 mm | O.D. (D) N/A 4.3307 in110.000 mm | Outer Ring Width (C) N/A 1.8125 in46.038 mm | Width (T) N/A 2.0624 in52.385 mm | Inner Ring Width (B) N/A 0.866 in21.996 mm | Dynamic Radial Load Rating - 1M Revs (C1) N/A 38700 lbf172000 N | Dynamic Radial Load Rating - 90M Revs (C90) N/A 5760 lbf25600 N | Series N/A 395 |
CAD
N/A
|
| 392 / 394DC | Bore (d) N/A 2.4375 in61.913 mm | O.D. (D) N/A 4.3307 in110.000 mm | Outer Ring Width (C) N/A 1.8125 in46.038 mm | Width (T) N/A 2.0624 in52.385 mm | Inner Ring Width (B) N/A 0.866 in21.996 mm | Dynamic Radial Load Rating - 1M Revs (C1) N/A 38700 lbf172000 N | Dynamic Radial Load Rating - 90M Revs (C90) N/A 5760 lbf25600 N | Series N/A 395 |
CAD
N/A
|
| 392A / 394DC | Bore (d) N/A 2.4375 in61.913 mm | O.D. (D) N/A 4.3307 in110.000 mm | Outer Ring Width (C) N/A 1.8125 in46.038 mm | Width (T) N/A 2.0624 in52.385 mm | Inner Ring Width (B) N/A 0.866 in21.996 mm | Dynamic Radial Load Rating - 1M Revs (C1) N/A 38700 lbf172000 N | Dynamic Radial Load Rating - 90M Revs (C90) N/A 5760 lbf25600 N | Series N/A 395 |
CAD
N/A
|
| 392A / 394YD | Bore (d) N/A 2.4375 in61.913 mm | O.D. (D) N/A 4.3307 in110.000 mm | Outer Ring Width (C) N/A 1.8125 in46.038 mm | Width (T) N/A 2.0624 in52.385 mm | Inner Ring Width (B) N/A 0.866 in21.996 mm | Dynamic Radial Load Rating - 1M Revs (C1) N/A 38700 lbf172000 N | Dynamic Radial Load Rating - 90M Revs (C90) N/A 5760 lbf25600 N | Series N/A 395 |
CAD
N/A
|
| 392-902A2 | Bore (d) N/A 2.4375 in61.913 mm | O.D. (D) N/A 4.3307 in110.000 mm | Outer Ring Width (C) N/A 1.8125 in46.038 mm | Width (T) N/A 2.0624 in52.385 mm | Inner Ring Width (B) N/A 0.866 in21.996 mm | Dynamic Radial Load Rating - 1M Revs (C1) N/A 38700 lbf172000 N | Dynamic Radial Load Rating - 90M Revs (C90) N/A 5760 lbf25600 N | Series N/A 395 |
CAD
N/A
|
| 392-90291 | Bore (d) N/A 2.4375 in61.913 mm | O.D. (D) N/A 4.3307 in110.000 mm | Outer Ring Width (C) N/A 1.8125 in46.038 mm | Width (T) N/A 2.0624 in52.385 mm | Inner Ring Width (B) N/A 0.866 in21.996 mm | Dynamic Radial Load Rating - 1M Revs (C1) N/A 38700 lbf172000 N | Dynamic Radial Load Rating - 90M Revs (C90) N/A 5760 lbf25600 N | Series N/A 395 |
CAD
N/A
|
| 554 / 552D | Bore (d) N/A 2.4375 in61.913 mm | O.D. (D) N/A 4.8750 in123.825 mm | Outer Ring Width (C) N/A 2.5 in63.5 mm | Width (T) N/A 3.1249 in79.372 mm | Inner Ring Width (B) N/A 1.444 in36.678 mm | Dynamic Radial Load Rating - 1M Revs (C1) N/A 74700 lbf332000 N | Dynamic Radial Load Rating - 90M Revs (C90) N/A 11100 lbf49400 N | Series N/A 555 |
CAD
N/A
|
| 554 / 552DC | Bore (d) N/A 2.4375 in61.913 mm | O.D. (D) N/A 4.8750 in123.825 mm | Outer Ring Width (C) N/A 2.5 in63.5 mm | Width (T) N/A 3.1249 in79.372 mm | Inner Ring Width (B) N/A 1.444 in36.678 mm | Dynamic Radial Load Rating - 1M Revs (C1) N/A 74700 lbf332000 N | Dynamic Radial Load Rating - 90M Revs (C90) N/A 11100 lbf49400 N | Series N/A 555 |
CAD
N/A
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| 28990-902A1 | Bore (d) N/A 2.4400 in61.976 mm | O.D. (D) N/A 3.9370 in100.000 mm | Outer Ring Width (C) N/A 1.7500 in44.450 mm | Width (T) N/A 2.1250 in53.975 mm | Inner Ring Width (B) N/A 0.9688 in24.608 mm | Dynamic Radial Load Rating - 1M Revs (C1) N/A 41500 lbf185000 N | Dynamic Radial Load Rating - 90M Revs (C90) N/A 6180 lbf27500 N | Series N/A 28900 |
CAD
N/A
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