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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Key Features

  • Available in single, double and multi-row configurations, as well as proprietary sizes
  • Designed in collaboration with OE engineers to design, engineer and test bearings for premium performance in many applications
  • Power dense designs allow for heavier loads and can help extend bearing life
  • Optimized internal geometry lower torque and operating temperatures to extend lubrication system life
  • Can be designed to withstand high-corrosive, high-temperature and vacuum or low-lubrication environments with proprietary enhancements
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

387AS / 384XD N/A 2.25 in57.15 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
385A / 384XD N/A 2 in50.8 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
386 / 384XD N/A 2.1840 in55.474 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 35600 lbf158000 N N/A 5300 lbf23600 N N/A 385 N/A
385AS / 384XD N/A 2 in50.8 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 35600 lbf158000 N N/A 5300 lbf23600 N N/A 385 N/A
386AX / 384XD N/A 1.875 in47.625 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 35600 lbf158000 N N/A 5300 lbf23600 N N/A 385 N/A
385AX / 384XD N/A 2 in50.8 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
385X / 384XD N/A 2.1654 in55.001 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
386A / 384XD N/A 1.875 in47.625 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
388A / 384XD N/A 2.265 in57.531 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
389AS / 384XD N/A 2.125 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 2.125 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
389 / 384XD N/A 2.188 in55.575 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
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
395X / 394D N/A 2.5 in63.5 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
395S-90132 N/A 2.625 in66.675 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
390 / 394D N/A 2.25 in57.15 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
395CS / 394D N/A 2.625 in66.675 mm N/A 4.3307 in110.000 mm N/A 1.8125 in46.038 mm N/A 2.1764 in55.281 mm N/A 0.923 in23.444 mm N/A 38700 lbf172000 N N/A 5760 lbf25600 N N/A 395 N/A
395A / 394D N/A 2.625 in66.675 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
395-99417 N/A 2.5 in63.5 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
392-90028 N/A 2.4375 in61.913 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
390A-90017 N/A 2.5 in63.5 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
399A-90102 N/A 2.6875 in68.263 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
396-90267 N/A 1.9685 in50.000 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
399AS-90263 N/A 2.6875 in68.263 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
390 / 394DC N/A 2.25 in57.15 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
Unit of Measure
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