Tapered Roller Bearings - TDO (Tapered Double Outer) Imperial
Timken® Double Row Tapered Roller Bearing
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)
Part Number |
Bore (d) |
O.D. (D) |
Outer Ring Width (C) |
Width (T) |
Dynamic Radial Load Rating - 1M Revs (C1) |
Dynamic Radial Load Rating - 90M Revs (C90) |
CAD |
|---|---|---|---|---|---|---|---|
| 34306-90076 | Bore (d) N/A 3.0625 in77.788 mm | O.D. (D) N/A 4.7812 in121.442 mm | Outer Ring Width (C) N/A 1.5 in38.1 mm | Width (T) N/A 2.0625 in52.388 mm | Dynamic Radial Load Rating - 1M Revs (C1) N/A 47400 lbf211000 N | Dynamic Radial Load Rating - 90M Revs (C90) N/A 7060 lbf31400 N |
CAD
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| 34307 / 34478D | Bore (d) N/A 3.0625 in77.788 mm | O.D. (D) N/A 4.7812 in121.442 mm | Outer Ring Width (C) N/A 1.5 in38.1 mm | Width (T) N/A 2.0625 in52.388 mm | Dynamic Radial Load Rating - 1M Revs (C1) N/A 40000 lbf178000 N | Dynamic Radial Load Rating - 90M Revs (C90) N/A 5960 lbf26500 N |
CAD
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| 34306-90051 | Bore (d) N/A 3.0625 in77.788 mm | O.D. (D) N/A 4.7812 in121.442 mm | Outer Ring Width (C) N/A 1.5 in38.1 mm | Width (T) N/A 2.0625 in52.388 mm | Dynamic Radial Load Rating - 1M Revs (C1) N/A 47400 lbf211000 N | Dynamic Radial Load Rating - 90M Revs (C90) N/A 7060 lbf31400 N |
CAD
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| 34306-90052 | Bore (d) N/A 3.0625 in77.788 mm | O.D. (D) N/A 4.7812 in121.442 mm | Outer Ring Width (C) N/A 1.5 in38.1 mm | Width (T) N/A 2.0625 in52.388 mm | Dynamic Radial Load Rating - 1M Revs (C1) N/A 47400 lbf211000 N | Dynamic Radial Load Rating - 90M Revs (C90) N/A 7060 lbf31400 N |
CAD
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| 34306-90086 | Bore (d) N/A 3.0625 in77.788 mm | O.D. (D) N/A 4.7812 in121.442 mm | Outer Ring Width (C) N/A 1.5 in38.1 mm | Width (T) N/A 2.0625 in52.388 mm | Dynamic Radial Load Rating - 1M Revs (C1) N/A 47400 lbf211000 N | Dynamic Radial Load Rating - 90M Revs (C90) N/A 7060 lbf31400 N |
CAD
N/A
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| 34306-903A2 | Bore (d) N/A 3.0625 in77.788 mm | O.D. (D) N/A 4.7812 in121.442 mm | Outer Ring Width (C) N/A 1.5 in38.1 mm | Width (T) N/A 2.0625 in52.388 mm | Dynamic Radial Load Rating - 1M Revs (C1) N/A 47400 lbf211000 N | Dynamic Radial Load Rating - 90M Revs (C90) N/A 7060 lbf31400 N |
CAD
N/A
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| 495AS-90231 | Bore (d) N/A 3.0625 in77.788 mm | O.D. (D) N/A 5.3750 in136.525 mm | Outer Ring Width (C) N/A 2.1250 in53.975 mm | Width (T) N/A 2.75 in69.85 mm | Dynamic Radial Load Rating - 1M Revs (C1) N/A 60500 lbf269000 N | Dynamic Radial Load Rating - 90M Revs (C90) N/A 9000 lbf40000 N |
CAD
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| 495AS / 493DC | Bore (d) N/A 3.0625 in77.788 mm | O.D. (D) N/A 5.3750 in136.525 mm | Outer Ring Width (C) N/A 2.1250 in53.975 mm | Width (T) N/A 2.75 in69.85 mm | Dynamic Radial Load Rating - 1M Revs (C1) N/A 60500 lbf269000 N | Dynamic Radial Load Rating - 90M Revs (C90) N/A 9000 lbf40000 N |
CAD
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| 495AS-90306 | Bore (d) N/A 3.0625 in77.788 mm | O.D. (D) N/A 5.3750 in136.525 mm | Outer Ring Width (C) N/A 2.1250 in53.975 mm | Width (T) N/A 2.75 in69.85 mm | Dynamic Radial Load Rating - 1M Revs (C1) N/A 60500 lbf269000 N | Dynamic Radial Load Rating - 90M Revs (C90) N/A 9000 lbf40000 N |
CAD
N/A
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| 595A / 592D | Bore (d) N/A 3.1250 in79.375 mm | O.D. (D) N/A 6.000 in152.4 mm | Outer Ring Width (C) N/A 2.5 in63.5 mm | Width (T) N/A 3.25 in82.55 mm | Dynamic Radial Load Rating - 1M Revs (C1) N/A 84600 lbf376000 N | Dynamic Radial Load Rating - 90M Revs (C90) N/A 12600 lbf56000 N |
CAD
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| 661-90047 | Bore (d) N/A 3.1250 in79.375 mm | O.D. (D) N/A 6.000 in152.4 mm | Outer Ring Width (C) N/A 3 in76.2 mm | Width (T) N/A 3.7499 in95.247 mm | Dynamic Radial Load Rating - 1M Revs (C1) N/A 96700 lbf430000 N | Dynamic Radial Load Rating - 90M Revs (C90) N/A 14400 lbf64000 N |
CAD
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| 661 / 654DC | Bore (d) N/A 3.1250 in79.375 mm | O.D. (D) N/A 6.000 in152.4 mm | Outer Ring Width (C) N/A 3 in76.2 mm | Width (T) N/A 3.7499 in95.247 mm | Dynamic Radial Load Rating - 1M Revs (C1) N/A 96700 lbf430000 N | Dynamic Radial Load Rating - 90M Revs (C90) N/A 14400 lbf64000 N |
CAD
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| 661-90087 | Bore (d) N/A 3.1250 in79.375 mm | O.D. (D) N/A 6.000 in152.4 mm | Outer Ring Width (C) N/A 3 in76.2 mm | Width (T) N/A 3.7499 in95.247 mm | Dynamic Radial Load Rating - 1M Revs (C1) N/A 96700 lbf430000 N | Dynamic Radial Load Rating - 90M Revs (C90) N/A 14400 lbf64000 N |
CAD
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| 750W / 742D | Bore (d) N/A 3.1250 in79.375 mm | O.D. (D) N/A 6.1250 in155.575 mm | Outer Ring Width (C) N/A 3.375 in85.725 mm | Width (T) N/A 4 in101.6 mm | Dynamic Radial Load Rating - 1M Revs (C1) N/A 124000 lbf553000 N | Dynamic Radial Load Rating - 90M Revs (C90) N/A 18500 lbf82400 N |
CAD
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| 750 / 742D | Bore (d) N/A 3.1250 in79.375 mm | O.D. (D) N/A 6.1250 in155.575 mm | Outer Ring Width (C) N/A 3.375 in85.725 mm | Width (T) N/A 4 in101.6 mm | Dynamic Radial Load Rating - 1M Revs (C1) N/A 147000 lbf656000 N | Dynamic Radial Load Rating - 90M Revs (C90) N/A 21900 lbf97600 N |
CAD
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| 750 / 742DC | Bore (d) N/A 3.1250 in79.375 mm | O.D. (D) N/A 6.1250 in155.575 mm | Outer Ring Width (C) N/A 3.375 in85.725 mm | Width (T) N/A 4 in101.6 mm | Dynamic Radial Load Rating - 1M Revs (C1) N/A 147000 lbf656000 N | Dynamic Radial Load Rating - 90M Revs (C90) N/A 21900 lbf97600 N |
CAD
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| 750W / 742DC | Bore (d) N/A 3.1250 in79.375 mm | O.D. (D) N/A 6.1250 in155.575 mm | Outer Ring Width (C) N/A 3.375 in85.725 mm | Width (T) N/A 4 in101.6 mm | Dynamic Radial Load Rating - 1M Revs (C1) N/A 124000 lbf553000 N | Dynamic Radial Load Rating - 90M Revs (C90) N/A 18500 lbf82400 N |
CAD
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| 756A / 752D | Bore (d) N/A 3.1250 in79.375 mm | O.D. (D) N/A 6.3750 in161.925 mm | Outer Ring Width (C) N/A 3.375 in85.725 mm | Width (T) N/A 4.1249 in104.772 mm | Dynamic Radial Load Rating - 1M Revs (C1) N/A 128000 lbf570000 N | Dynamic Radial Load Rating - 90M Revs (C90) N/A 19100 lbf84800 N |
CAD
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| 756A / 752DC | Bore (d) N/A 3.1250 in79.375 mm | O.D. (D) N/A 6.3750 in161.925 mm | Outer Ring Width (C) N/A 3.375 in85.725 mm | Width (T) N/A 4.1249 in104.772 mm | Dynamic Radial Load Rating - 1M Revs (C1) N/A 128000 lbf570000 N | Dynamic Radial Load Rating - 90M Revs (C90) N/A 19100 lbf84800 N |
CAD
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| HH221431 / HH221410D | Bore (d) N/A 3.1250 in79.375 mm | O.D. (D) N/A 7.5 in190.5 mm | Outer Ring Width (C) N/A 4.125 in104.775 mm | Width (T) N/A 4.9999 in126.997 mm | Dynamic Radial Load Rating - 1M Revs (C1) N/A 209000 lbf929000 N | Dynamic Radial Load Rating - 90M Revs (C90) N/A 31100 lbf138000 N |
CAD
N/A
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| 578-90045 | Bore (d) N/A 3.1490 in79.985 mm | O.D. (D) N/A 5.5115 in139.992 mm | Outer Ring Width (C) N/A 2.625 in66.675 mm | Width (T) N/A 3.25 in82.55 mm | Dynamic Radial Load Rating - 1M Revs (C1) N/A 80900 lbf360000 N | Dynamic Radial Load Rating - 90M Revs (C90) N/A 12100 lbf53600 N |
CAD
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| 578 / 572DC | Bore (d) N/A 3.1490 in79.985 mm | O.D. (D) N/A 5.5115 in139.992 mm | Outer Ring Width (C) N/A 2.625 in66.675 mm | Width (T) N/A 3.25 in82.55 mm | Dynamic Radial Load Rating - 1M Revs (C1) N/A 80900 lbf360000 N | Dynamic Radial Load Rating - 90M Revs (C90) N/A 12100 lbf53600 N |
CAD
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| 578-90120 | Bore (d) N/A 3.1490 in79.985 mm | O.D. (D) N/A 5.5115 in139.992 mm | Outer Ring Width (C) N/A 2.625 in66.675 mm | Width (T) N/A 3.25 in82.55 mm | Dynamic Radial Load Rating - 1M Revs (C1) N/A 80900 lbf360000 N | Dynamic Radial Load Rating - 90M Revs (C90) N/A 12100 lbf53600 N |
CAD
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| 578-90107 | Bore (d) N/A 3.1490 in79.985 mm | O.D. (D) N/A 5.5115 in139.992 mm | Outer Ring Width (C) N/A 2.625 in66.675 mm | Width (T) N/A 3.25 in82.55 mm | Dynamic Radial Load Rating - 1M Revs (C1) N/A 80900 lbf360000 N | Dynamic Radial Load Rating - 90M Revs (C90) N/A 12100 lbf53600 N |
CAD
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| 578-90233 | Bore (d) N/A 3.1490 in79.985 mm | O.D. (D) N/A 5.5115 in139.992 mm | Outer Ring Width (C) N/A 2.625 in66.675 mm | Width (T) N/A 3.25 in82.55 mm | Dynamic Radial Load Rating - 1M Revs (C1) N/A 80900 lbf360000 N | Dynamic Radial Load Rating - 90M Revs (C90) N/A 12100 lbf53600 N |
CAD
N/A
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