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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

397-90077 N/A 2.3622 in60.000 mm N/A 4.3307 in110.000 mm N/A 1.8125 in46.038 mm N/A 2.0624 in52.385 mm N/A 0.866 in21.996 mm N/A 38700 lbf172000 N N/A 5760 lbf25600 N N/A 395 N/A
397 / 394DC N/A 2.3622 in60.000 mm N/A 4.3307 in110.000 mm N/A 1.8125 in46.038 mm N/A 2.0624 in52.385 mm N/A 0.866 in21.996 mm N/A 38700 lbf172000 N N/A 5760 lbf25600 N N/A 395 N/A
397-902A6 N/A 2.3622 in60.000 mm N/A 4.3307 in110.000 mm N/A 1.8125 in46.038 mm N/A 2.0624 in52.385 mm N/A 0.866 in21.996 mm N/A 38700 lbf172000 N N/A 5760 lbf25600 N N/A 395 N/A
397-90078 N/A 2.3622 in60.000 mm N/A 4.3307 in110.000 mm N/A 1.8125 in46.038 mm N/A 2.0624 in52.385 mm N/A 0.866 in21.996 mm N/A 38700 lbf172000 N N/A 5760 lbf25600 N N/A 395 N/A
397-90079 N/A 2.3622 in60.000 mm N/A 4.3307 in110.000 mm N/A 1.8125 in46.038 mm N/A 2.0624 in52.385 mm N/A 0.866 in21.996 mm N/A 38700 lbf172000 N N/A 5760 lbf25600 N N/A 395 N/A
397-90082 N/A 2.3622 in60.000 mm N/A 4.3307 in110.000 mm N/A 1.8125 in46.038 mm N/A 2.0624 in52.385 mm N/A 0.866 in21.996 mm N/A 38700 lbf172000 N N/A 5760 lbf25600 N N/A 395 N/A
397-90083 N/A 2.3622 in60.000 mm N/A 4.3307 in110.000 mm N/A 1.8125 in46.038 mm N/A 2.0624 in52.385 mm N/A 0.866 in21.996 mm N/A 38700 lbf172000 N N/A 5760 lbf25600 N N/A 395 N/A
397-90269 N/A 2.3622 in60.000 mm N/A 4.3307 in110.000 mm N/A 1.8125 in46.038 mm N/A 2.0624 in52.385 mm N/A 0.866 in21.996 mm N/A 38700 lbf172000 N N/A 5760 lbf25600 N N/A 395 N/A
397-90331 N/A 2.3622 in60.000 mm N/A 4.3307 in110.000 mm N/A 1.8125 in46.038 mm N/A 2.0624 in52.385 mm N/A 0.866 in21.996 mm N/A 38700 lbf172000 N N/A 5760 lbf25600 N N/A 395 N/A
397-902A3 N/A 2.3622 in60.000 mm N/A 4.3307 in110.000 mm N/A 1.8125 in46.038 mm N/A 2.0624 in52.385 mm N/A 0.866 in21.996 mm N/A 38700 lbf172000 N N/A 5760 lbf25600 N N/A 395 N/A
29582 / 29526D N/A 2.3622 in60.000 mm N/A 4.4375 in112.713 mm N/A 1.6875 in42.863 mm N/A 2.1874 in55.56 mm N/A 1.0000 in25.400 mm N/A 51100 lbf227000 N N/A 7610 lbf33800 N N/A 29500 N/A
29580 / 29526D N/A 2.3622 in60.000 mm N/A 4.4375 in112.713 mm N/A 1.6875 in42.863 mm N/A 2.1874 in55.56 mm N/A 1.0000 in25.400 mm N/A 51100 lbf227000 N N/A 7610 lbf33800 N N/A 29500 N/A
39582A / 39520DC N/A 2.3622 in60.000 mm N/A 4.4375 in112.713 mm N/A 2.1875 in55.563 mm N/A 2.6875 in68.263 mm N/A 1.1875 in30.163 mm N/A 65300 lbf291000 N N/A 9730 lbf43300 N N/A 39500 N/A
476-90020 N/A 2.3622 in60.000 mm N/A 4.7244 in120.000 mm N/A 2.1250 in53.975 mm N/A 2.5626 in65.09 mm N/A 1.142 in29.007 mm N/A 56100 lbf250000 N N/A 37200 N N/A 475 N/A
476-90169 N/A 2.3622 in60.000 mm N/A 4.7244 in120.000 mm N/A 2.1250 in53.975 mm N/A 2.5626 in65.09 mm N/A 1.142 in29.007 mm N/A 56100 lbf250000 N N/A 8360 lbf37200 N N/A 475 N/A
66585-90025 N/A 2.3622 in60.000 mm N/A 5.1174 in129.982 mm N/A 1.875 in47.625 mm N/A 2.7499 in69.847 mm N/A 1.25 in31.75 mm N/A 71700 lbf319000 N N/A 10700 lbf47500 N N/A 66500 N/A
66588 / 66522D N/A 2.3622 in60.000 mm N/A 5.1174 in129.982 mm N/A 1.875 in47.625 mm N/A 2.7499 in69.847 mm N/A 1.25 in31.75 mm N/A 71700 lbf319000 N N/A 10700 lbf47500 N N/A 66500 N/A
66585-90036 N/A 2.3622 in60.000 mm N/A 5.1174 in129.982 mm N/A 1.875 in47.625 mm N/A 2.7499 in69.847 mm N/A 1.25 in31.75 mm N/A 71700 lbf319000 N N/A 10700 lbf47500 N N/A 66500 N/A
28985-90070 N/A 2.3750 in60.325 mm N/A 3.9370 in100.000 mm N/A 1.7500 in44.450 mm N/A 2.1874 in55.56 mm N/A 1.0000 in25.400 mm N/A 41500 lbf185000 N N/A 6180 lbf27500 N N/A 28900 N/A
28985 / 28921DC N/A 2.3750 in60.325 mm N/A 3.9370 in100.000 mm N/A 1.7500 in44.450 mm N/A 2.1874 in55.56 mm N/A 1.0000 in25.400 mm N/A 41500 lbf185000 N N/A 6180 lbf27500 N N/A 28900 N/A
28985-90022 N/A 2.3750 in60.325 mm N/A 3.9370 in100.000 mm N/A 1.7500 in44.450 mm N/A 2.1874 in55.56 mm N/A 1.0000 in25.400 mm N/A 41500 lbf185000 N N/A 6180 lbf27500 N N/A 28900 N/A
28985-90034 N/A 2.3750 in60.325 mm N/A 3.9370 in100.000 mm N/A 1.7500 in44.450 mm N/A 2.1874 in55.56 mm N/A 1.0000 in25.400 mm N/A 41500 lbf185000 N N/A 6180 lbf27500 N N/A 28900 N/A
28985-90049 N/A 2.3750 in60.325 mm N/A 3.9370 in100.000 mm N/A 1.7500 in44.450 mm N/A 2.1874 in55.56 mm N/A 1.0000 in25.400 mm N/A 41500 lbf185000 N N/A 6180 lbf27500 N N/A 28900 N/A
28985-90062 N/A 2.3750 in60.325 mm N/A 3.9370 in100.000 mm N/A 1.7500 in44.450 mm N/A 2.1874 in55.56 mm N/A 1.0000 in25.400 mm N/A 41500 lbf185000 N N/A 6180 lbf27500 N N/A 28900 N/A
28985-90040 N/A 2.3750 in60.325 mm N/A 3.9370 in100.000 mm N/A 1.7500 in44.450 mm N/A 2.1874 in55.56 mm N/A 1.0000 in25.400 mm N/A 41500 lbf185000 N N/A 6180 lbf27500 N N/A 28900 N/A
Unit of Measure
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