The Timken Company
The Timken Company
4500 Mt Pleasant St. NW
N. Canton, OH 44720
Phone: (234) 262-3000
E-Mail: CustomerCAD@timken.com • Web site: www.timken.com
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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.
Timken_TRB_2ROWASSY_TDO_438-90092-A3
TRB TDO Line Drawing
Unit of Measure
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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

98316-90046 N/A 3.1496 in80 mm N/A 7.875 in200.025 mm N/A 3.1581 in80.216 mm N/A 4.5625 in115.888 mm N/A 1.9375 in49.213 mm N/A 189000 lbf839000 N N/A 28100 lbf125000 N N/A 98000 N/A
98316 / 98789DC N/A 3.1496 in80 mm N/A 7.875 in200.025 mm N/A 3.1581 in80.216 mm N/A 4.5625 in115.888 mm N/A 1.9375 in49.213 mm N/A 189000 lbf839000 N N/A 28100 lbf125000 N N/A 98000 N/A
98316-90012 N/A 3.1496 in80 mm N/A 7.875 in200.025 mm N/A 3.1581 in80.216 mm N/A 4.5625 in115.888 mm N/A 1.9375 in49.213 mm N/A 189000 lbf839000 N N/A 28100 lbf125000 N N/A 98000 N/A
98316-902A1 N/A 3.1496 in80 mm N/A 7.875 in200.025 mm N/A 3.1581 in80.216 mm N/A 4.5625 in115.888 mm N/A 1.9375 in49.213 mm N/A 189000 lbf839000 N N/A 28100 lbf125000 N N/A 98000 N/A
496-90049 N/A 3.1875 in80.963 mm N/A 5.3750 in136.525 mm N/A 2.1250 in53.975 mm N/A 2.75 in69.85 mm N/A 1.172 in29.769 mm N/A 60500 lbf269000 N N/A 9000 lbf40000 N N/A 495 N/A
496P / 493D N/A 3.1875 in80.963 mm N/A 5.3750 in136.525 mm N/A 2.1250 in53.975 mm N/A 2.75 in69.85 mm N/A 1.172 in29.769 mm N/A 71600 lbf319000 N N/A 10700 lbf47500 N N/A 495 N/A
496P / 493DC N/A 3.1875 in80.963 mm N/A 5.3750 in136.525 mm N/A 2.1250 in53.975 mm N/A 2.75 in69.85 mm N/A 1.172 in29.769 mm N/A 71600 lbf319000 N N/A 10700 lbf47500 N N/A 495 N/A
496 / 493DC N/A 3.1875 in80.963 mm N/A 5.3750 in136.525 mm N/A 2.1250 in53.975 mm N/A 2.75 in69.85 mm N/A 1.172 in29.769 mm N/A 60500 lbf269000 N N/A 9000 lbf40000 N N/A 495 N/A
496-90050 N/A 3.1875 in80.963 mm N/A 5.3750 in136.525 mm N/A 2.1250 in53.975 mm N/A 2.75 in69.85 mm N/A 1.172 in29.769 mm N/A 60500 lbf269000 N N/A 9000 lbf40000 N N/A 495 N/A
496-90326 N/A 3.1875 in80.963 mm N/A 5.3750 in136.525 mm N/A 2.1250 in53.975 mm N/A 2.75 in69.85 mm N/A 1.172 in29.769 mm N/A 60500 lbf269000 N N/A 9000 lbf40000 N N/A 495 N/A
496-90080 N/A 3.1875 in80.963 mm N/A 5.3750 in136.525 mm N/A 2.1250 in53.975 mm N/A 2.75 in69.85 mm N/A 1.172 in29.769 mm N/A 60500 lbf269000 N N/A 9000 lbf40000 N N/A 495 N/A
496-90091 N/A 3.1875 in80.963 mm N/A 5.3750 in136.525 mm N/A 2.1250 in53.975 mm N/A 2.75 in69.85 mm N/A 1.172 in29.769 mm N/A 60500 lbf269000 N N/A 9000 lbf40000 N N/A 495 N/A
496-90264 N/A 3.1875 in80.963 mm N/A 5.3750 in136.525 mm N/A 2.1250 in53.975 mm N/A 2.75 in69.85 mm N/A 1.172 in29.769 mm N/A 60500 lbf269000 N N/A 9000 lbf40000 N N/A 495 N/A
581-99406 N/A 3.1875 in80.963 mm N/A 5.5115 in139.992 mm N/A 2.625 in66.675 mm N/A 3.25 in82.55 mm N/A 1.4212 in36.098 mm N/A 80900 lbf360000 N N/A 12100 lbf53600 N N/A 575 N/A
581 / 572DC N/A 3.1875 in80.963 mm N/A 5.5115 in139.992 mm N/A 2.625 in66.675 mm N/A 3.25 in82.55 mm N/A 1.4212 in36.098 mm N/A 80900 lbf360000 N N/A 12100 lbf53600 N N/A 575 N/A
581-90085 N/A 3.1875 in80.963 mm N/A 5.5115 in139.992 mm N/A 2.625 in66.675 mm N/A 3.25 in82.55 mm N/A 1.4212 in36.098 mm N/A 80900 lbf360000 N N/A 12100 lbf53600 N N/A 575 N/A
581-90086 N/A 3.1875 in80.963 mm N/A 5.5115 in139.992 mm N/A 2.625 in66.675 mm N/A 3.25 in82.55 mm N/A 1.4212 in36.098 mm N/A 80900 lbf360000 N N/A 12100 lbf53600 N N/A 575 N/A
581-90068 N/A 3.1875 in80.963 mm N/A 5.5115 in139.992 mm N/A 2.625 in66.675 mm N/A 3.25 in82.55 mm N/A 1.4212 in36.098 mm N/A 80900 lbf360000 N N/A 12100 lbf53600 N N/A 575 N/A
581-90219 N/A 3.1875 in80.963 mm N/A 5.5115 in139.992 mm N/A 2.625 in66.675 mm N/A 3.25 in82.55 mm N/A 1.4212 in36.098 mm N/A 80900 lbf360000 N N/A 12100 lbf53600 N N/A 575 N/A
581-90317 N/A 3.1875 in80.963 mm N/A 5.5115 in139.992 mm N/A 2.625 in66.675 mm N/A 3.25 in82.55 mm N/A 1.4212 in36.098 mm N/A 80900 lbf360000 N N/A 12100 lbf53600 N N/A 575 N/A
662 / 654D N/A 3.1875 in80.963 mm N/A 6.0000 in152.400 mm N/A 3 in76.2 mm N/A 3.4999 in88.897 mm N/A 1.5 in38.1 mm N/A 96700 lbf430000 N N/A 14400 lbf64000 N N/A 655 N/A
662 / 654DC N/A 3.1875 in80.963 mm N/A 6.0000 in152.400 mm N/A 3 in76.2 mm N/A 3.4999 in88.897 mm N/A 1.5 in38.1 mm N/A 96700 lbf430000 N N/A 14400 lbf64000 N N/A 655 N/A
740 / 742D N/A 3.1875 in80.963 mm N/A 6.125 in155.575 mm N/A 3.375 in85.725 mm N/A 4 in101.6 mm N/A 1.8375 in46.673 mm N/A 147000 lbf656000 N N/A 21900 lbf97600 N N/A 745 N/A
740 / 742DC N/A 3.1875 in80.963 mm N/A 6.125 in155.575 mm N/A 3.375 in85.725 mm N/A 4 in101.6 mm N/A 1.8375 in46.673 mm N/A 147000 lbf656000 N N/A 21900 lbf97600 N N/A 745 N/A
838 / 834D N/A 3.1875 in80.963 mm N/A 6.7500 in171.450 mm N/A 3.9375 in100.013 mm N/A 4.9375 in125.413 mm N/A 2.219 in56.363 mm N/A 160000 lbf712000 N N/A 23800 lbf106000 N N/A 835 N/A
Unit of Measure
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