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

389A / 384DC N/A 2.1250 in53.975 mm N/A 3.9370 in100.000 mm N/A 1.6875 in42.863 mm N/A 2.0624 in52.385 mm N/A 0.864 in21.946 mm N/A 42200 lbf188000 N N/A 6280 lbf28000 N N/A 385 N/A
389AS / 384DC N/A 2.1250 in53.975 mm N/A 3.9370 in100.000 mm N/A 1.6875 in42.863 mm N/A 2.0624 in52.385 mm N/A 0.864 in21.946 mm N/A 42200 lbf188000 N N/A 6280 lbf28000 N N/A 385 N/A
389AS / 384ED N/A 2.1250 in53.975 mm N/A 3.9370 in100.000 mm N/A 1.562 in39.675 mm N/A 1.9369 in49.197 mm N/A 0.864 in21.946 mm N/A 42200 lbf188000 N N/A 6280 lbf28000 N N/A 385 N/A
389A-90336 N/A 2.1250 in53.975 mm N/A 3.9370 in100.000 mm N/A 1.562 in39.675 mm N/A 1.9369 in49.197 mm N/A 0.864 in21.946 mm N/A 42200 lbf188000 N N/A 6280 lbf28000 N N/A 385 N/A
389AS / 384XD N/A 2.1250 in53.975 mm N/A 3.9370 in100.000 mm N/A 3.7640 in95.606 mm N/A 4.1389 in105.128 mm N/A 0.864 in21.946 mm N/A 42200 lbf188000 N N/A 6280 lbf28000 N N/A 385 N/A
389A / 384XD N/A 2.1250 in53.975 mm N/A 3.9370 in100.000 mm N/A 3.7640 in95.606 mm N/A 4.1389 in105.128 mm N/A 0.864 in21.946 mm N/A 42200 lbf188000 N N/A 6280 lbf28000 N N/A 385 N/A
389A-90344 N/A 2.1250 in53.975 mm N/A 3.9370 in100.000 mm N/A 1.6875 in42.863 mm N/A 2.0624 in52.385 mm N/A 0.864 in21.946 mm N/A 42200 lbf188000 N N/A 6280 lbf28000 N N/A 385 N/A
456-90154 N/A 2.1250 in53.975 mm N/A 4.25 in107.95 mm N/A 2.1250 in53.975 mm N/A 2.5625 in65.088 mm N/A 1.1542 in29.317 mm N/A 62900 lbf280000 N N/A 9370 lbf41700 N N/A 455 N/A
456 / 452DC N/A 2.1250 in53.975 mm N/A 4.25 in107.95 mm N/A 2.1250 in53.975 mm N/A 2.5625 in65.088 mm N/A 1.1542 in29.317 mm N/A 62900 lbf280000 N N/A 9370 lbf41700 N N/A 455 N/A
55212C / 55433D N/A 2.1250 in53.975 mm N/A 4.33 in109.982 mm N/A 1.6876 in42.865 mm N/A 2.4999 in63.497 mm N/A 1.0594 in26.909 mm N/A 59200 lbf263000 N N/A 8810 lbf39200 N N/A 55000C N/A
539A-90046 N/A 2.1250 in53.975 mm N/A 4.3750 in111.125 mm N/A 2.5 in63.5 mm N/A 3.125 in79.375 mm N/A 1.455 in36.957 mm N/A 79800 lbf355000 N N/A 11900 lbf52900 N N/A 535 N/A
539-99409 N/A 2.1250 in53.975 mm N/A 4.3750 in111.125 mm N/A 2.5 in63.5 mm N/A 3.125 in79.375 mm N/A 1.455 in36.957 mm N/A 79800 lbf355000 N N/A 11900 lbf52900 N N/A 535 N/A
539W / 533D N/A 2.1250 in53.975 mm N/A 4.3750 in111.125 mm N/A 2.5 in63.5 mm N/A 3.125 in79.375 mm N/A 1.455 in36.957 mm N/A 67400 lbf300000 N N/A 10000 lbf44600 N N/A 535 N/A
539W / 533DC N/A 2.1250 in53.975 mm N/A 4.3750 in111.125 mm N/A 2.5 in63.5 mm N/A 3.125 in79.375 mm N/A 1.455 in36.957 mm N/A 67400 lbf300000 N N/A 10000 lbf44600 N N/A 535 N/A
539 / 533DC N/A 2.1250 in53.975 mm N/A 4.3750 in111.125 mm N/A 2.5 in63.5 mm N/A 3.125 in79.375 mm N/A 1.455 in36.957 mm N/A 79800 lbf355000 N N/A 11900 lbf52900 N N/A 535 N/A
539A / 533DC N/A 2.1250 in53.975 mm N/A 4.3750 in111.125 mm N/A 2.5 in63.5 mm N/A 3.125 in79.375 mm N/A 1.455 in36.957 mm N/A 79800 lbf355000 N N/A 11900 lbf52900 N N/A 535 N/A
539A-90066 N/A 2.1250 in53.975 mm N/A 4.3750 in111.125 mm N/A 2.5 in63.5 mm N/A 3.125 in79.375 mm N/A 1.455 in36.957 mm N/A 79800 lbf355000 N N/A 11900 lbf52900 N N/A 535 N/A
539-90045 N/A 2.1250 in53.975 mm N/A 4.3750 in111.125 mm N/A 2.5 in63.5 mm N/A 3.125 in79.375 mm N/A 1.455 in36.957 mm N/A 79800 lbf355000 N N/A 11900 lbf52900 N N/A 535 N/A
39578 / 39520DC N/A 2.1250 in53.975 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
55212C / 55452D N/A 2.1250 in53.975 mm N/A 4.5268 in114.981 mm N/A 1.7500 in44.450 mm N/A 2.5623 in65.082 mm N/A 1.0594 in26.909 mm N/A 59200 lbf263000 N N/A 8810 lbf39200 N N/A 55000C N/A
66212-99406 N/A 2.1250 in53.975 mm N/A 4.6250 in117.475 mm N/A 2.1250 in53.975 mm N/A 2.875 in73.025 mm N/A 1.25 in31.75 mm N/A 69100 lbf307000 N N/A 10300 lbf45800 N N/A 66000 N/A
66212-90012 N/A 2.1250 in53.975 mm N/A 4.6250 in117.475 mm N/A 2.1250 in53.975 mm N/A 2.875 in73.025 mm N/A 1.25 in31.75 mm N/A 69100 lbf307000 N N/A 10300 lbf45800 N N/A 66000 N/A
557S-90027 N/A 2.1250 in53.975 mm N/A 4.8750 in123.825 mm N/A 2.5 in63.5 mm N/A 3.1249 in79.372 mm N/A 1.444 in36.678 mm N/A 88500 lbf394000 N N/A 13200 lbf58600 N N/A 555 N/A
72212C / 72488D N/A 2.1250 in53.975 mm N/A 4.8750 in123.825 mm N/A 2.1875 in55.563 mm N/A 3.0624 in77.785 mm N/A 1.291 in32.791 mm N/A 83900 lbf373000 N N/A 12500 lbf55500 N N/A 72000C N/A
72213C / 72488D N/A 2.1250 in53.975 mm N/A 4.8750 in123.825 mm N/A 2.1875 in55.563 mm N/A 3.0624 in77.785 mm N/A 1.291 in32.791 mm N/A 83900 lbf373000 N N/A 12500 lbf55500 N N/A 72000C N/A
Unit of Measure
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