Aurora Bearing Company
Aurora Bearing Company
901 Aucutt Rd.
Montgomery, IL 60538
Phone: 630.859.2030 • Fax: 630.859.0971
Email: customersupport@aurorabearing.com • Website: www.aurorabearing.com
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Timken_TRB_2ROWASSY_TDO_438-90092-A2
TRB TDO Line Drawing
Unit of Measure
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Part Number

Series

d - Bore

D - Cup Outer Diameter

B - Cone Width

C - Double Cup Width

T - Bearing Width across Cones

C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)

C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)

CAD

385 - 384ED N/A 385 N/A 2.1654 in55.001 mm N/A 3.937 in100 mm N/A 0.8640 in21.946 mm N/A 1.5620 in39.675 mm N/A 1.9369 in49.197 mm N/A 6280 lbf28000 N N/A 42200 lbf188000 N N/A CAD Icon (for items table)
388A - 384ED N/A 385 N/A 2.2650 in57.531 mm N/A 3.937 in100 mm N/A 0.8640 in21.946 mm N/A 1.5620 in39.675 mm N/A 1.9369 in49.197 mm N/A 6280 lbf28000 N N/A 42200 lbf188000 N N/A CAD Icon (for items table)
386A - 384ED N/A 385 N/A 1 7/8 in47.625 mm N/A 3.937 in100 mm N/A 0.8640 in21.946 mm N/A 1.5620 in39.675 mm N/A 1.9369 in49.197 mm N/A 6280 lbf28000 N N/A 42200 lbf188000 N N/A CAD Icon (for items table)
387-S - 384ED N/A 385 N/A 2 1/4 in57.15 mm N/A 3.937 in100 mm N/A 0.8640 in21.946 mm N/A 1.5620 in39.675 mm N/A 1.9369 in49.197 mm N/A 6280 lbf28000 N N/A 42200 lbf188000 N N/A CAD Icon (for items table)
385A - 384ED N/A 385 N/A 2 in50.80 mm N/A 3.937 in100 mm N/A 0.8640 in21.946 mm N/A 1.5620 in39.675 mm N/A 1.9369 in49.197 mm N/A 6280 lbf28000 N N/A 42200 lbf188000 N N/A CAD Icon (for items table)
389AS - 384ED N/A 385 N/A 2 1/8 in53.975 mm N/A 3.937 in100 mm N/A 0.8640 in21.946 mm N/A 1.5620 in39.675 mm N/A 1.9369 in49.197 mm N/A 6280 lbf28000 N N/A 42200 lbf188000 N N/A CAD Icon (for items table)
387AS - 384ED N/A 385 N/A 2 1/4 in57.15 mm N/A 3.937 in100 mm N/A 0.8640 in21.946 mm N/A 1.5620 in39.675 mm N/A 1.9369 in49.197 mm N/A 6280 lbf28000 N N/A 42200 lbf188000 N N/A CAD Icon (for items table)
389A - 384ED N/A 385 N/A 2 1/8 in53.975 mm N/A 3.937 in100 mm N/A 0.8640 in21.946 mm N/A 1.5620 in39.675 mm N/A 1.9369 in49.197 mm N/A 6280 lbf28000 N N/A 42200 lbf188000 N N/A CAD Icon (for items table)
385AX - 384ED N/A 385 N/A 2 in50.80 mm N/A 3.937 in100 mm N/A 0.8640 in21.946 mm N/A 1.5620 in39.675 mm N/A 1.9369 in49.197 mm N/A 6280 lbf28000 N N/A 42200 lbf188000 N N/A CAD Icon (for items table)
387 - 384ED N/A 385 N/A 2 1/4 in57.15 mm N/A 3.937 in100 mm N/A 0.8640 in21.946 mm N/A 1.5620 in39.675 mm N/A 1.9369 in49.197 mm N/A 6280 lbf28000 N N/A 42200 lbf188000 N N/A CAD Icon (for items table)
387W - 384ED N/A 385 N/A 2 1/4 in57.15 mm N/A 3.937 in100 mm N/A 0.8640 in21.946 mm N/A 1.5620 in39.675 mm N/A 1.9369 in49.197 mm N/A 6280 lbf28000 N N/A 42200 lbf188000 N N/A CAD Icon (for items table)
385X - 384ED N/A 385 N/A 2.1654 in55.001 mm N/A 3.937 in100 mm N/A 0.8640 in21.946 mm N/A 1.5620 in39.675 mm N/A 1.9369 in49.197 mm N/A 6280 lbf28000 N N/A 42200 lbf188000 N N/A CAD Icon (for items table)
386 - 384ED N/A 385 N/A 2.1840 in55.474 mm N/A 3.937 in100 mm N/A 0.8640 in21.946 mm N/A 1.5620 in39.675 mm N/A 1.9369 in49.197 mm N/A 5300 lbf23600 N N/A 35600 lbf158000 N N/A CAD Icon (for items table)
389 - 384ED N/A 385 N/A 2.1880 in55.575 mm N/A 3.937 in100 mm N/A 0.8640 in21.946 mm N/A 1.5620 in39.675 mm N/A 1.9369 in49.197 mm N/A 6280 lbf28000 N N/A 42200 lbf188000 N N/A CAD Icon (for items table)
386AX - 384ED N/A 385 N/A 1 7/8 in47.625 mm N/A 3.937 in100 mm N/A 0.8640 in21.946 mm N/A 1.5620 in39.675 mm N/A 1.9369 in49.197 mm N/A 5300 lbf23600 N N/A 35600 lbf158000 N N/A CAD Icon (for items table)
387A - 384ED N/A 385 N/A 2 1/4 in57.15 mm N/A 3.937 in100 mm N/A 0.8640 in21.946 mm N/A 1.5620 in39.675 mm N/A 1.9369 in49.197 mm N/A 6280 lbf28000 N N/A 42200 lbf188000 N N/A CAD Icon (for items table)
387A - 384EDC N/A 385 N/A 2 1/4 in57.15 mm N/A 3.937 in100 mm N/A 0.8640 in21.946 mm N/A 1.5620 in39.675 mm N/A 1.9369 in49.197 mm N/A 6280 lbf28000 N N/A 42200 lbf188000 N N/A CAD Icon (for items table)
385 - 384EDC N/A 385 N/A 2.1654 in55.001 mm N/A 3.937 in100 mm N/A 0.8640 in21.946 mm N/A 1.5620 in39.675 mm N/A 1.9369 in49.197 mm N/A 6280 lbf28000 N N/A 42200 lbf188000 N N/A CAD Icon (for items table)
385A - 384EDC N/A 385 N/A 2 in50.80 mm N/A 3.937 in100 mm N/A 0.8640 in21.946 mm N/A 1.5620 in39.675 mm N/A 1.9369 in49.197 mm N/A 6280 lbf28000 N N/A 42200 lbf188000 N N/A CAD Icon (for items table)
387W - 384XD N/A 385 N/A 2 1/4 in57.15 mm N/A 3.937 in100 mm N/A 0.8640 in21.946 mm N/A 3.7640 in95.606 mm N/A 4.1389 in105.128 mm N/A 6280 lbf28000 N N/A 42200 lbf188000 N N/A CAD Icon (for items table)
387 - 384XD N/A 385 N/A 2 1/4 in57.15 mm N/A 3.937 in100 mm N/A 0.8640 in21.946 mm N/A 3.7640 in95.606 mm N/A 4.1389 in105.128 mm N/A 6280 lbf28000 N N/A 42200 lbf188000 N N/A CAD Icon (for items table)
385 - 384XD N/A 385 N/A 2.1654 in55.001 mm N/A 3.937 in100 mm N/A 0.8640 in21.946 mm N/A 3.7640 in95.606 mm N/A 4.1389 in105.128 mm N/A 6280 lbf28000 N N/A 42200 lbf188000 N N/A CAD Icon (for items table)
387AS - 384XD N/A 385 N/A 2 1/4 in57.15 mm N/A 3.937 in100 mm N/A 0.8640 in21.946 mm N/A 3.7640 in95.606 mm N/A 4.1389 in105.128 mm N/A 6280 lbf28000 N N/A 42200 lbf188000 N N/A CAD Icon (for items table)
385A - 384XD N/A 385 N/A 2 in50.80 mm N/A 3.937 in100 mm N/A 0.8640 in21.946 mm N/A 3.7640 in95.606 mm N/A 4.1389 in105.128 mm N/A 6280 lbf28000 N N/A 42200 lbf188000 N N/A CAD Icon (for items table)
386 - 384XD N/A 385 N/A 2.1840 in55.474 mm N/A 3.937 in100 mm N/A 0.8640 in21.946 mm N/A 3.7640 in95.606 mm N/A 4.1389 in105.128 mm N/A 5300 lbf23600 N N/A 35600 lbf158000 N N/A CAD Icon (for items table)
385AS - 384XD N/A 385 N/A 2 in50.80 mm N/A 3.937 in100 mm N/A 0.8640 in21.946 mm N/A 3.7640 in95.606 mm N/A 4.1389 in105.128 mm N/A 5300 lbf23600 N N/A 35600 lbf158000 N N/A CAD Icon (for items table)
386AX - 384XD N/A 385 N/A 1 7/8 in47.625 mm N/A 3.937 in100 mm N/A 0.8640 in21.946 mm N/A 3.7640 in95.606 mm N/A 4.1389 in105.128 mm N/A 5300 lbf23600 N N/A 35600 lbf158000 N N/A CAD Icon (for items table)
385AX - 384XD N/A 385 N/A 2 in50.80 mm N/A 3.937 in100 mm N/A 0.8640 in21.946 mm N/A 3.7640 in95.606 mm N/A 4.1389 in105.128 mm N/A 6280 lbf28000 N N/A 42200 lbf188000 N N/A CAD Icon (for items table)
385X - 384XD N/A 385 N/A 2.1654 in55.001 mm N/A 3.937 in100 mm N/A 0.8640 in21.946 mm N/A 3.7640 in95.606 mm N/A 4.1389 in105.128 mm N/A 6280 lbf28000 N N/A 42200 lbf188000 N N/A CAD Icon (for items table)
386A - 384XD N/A 385 N/A 1 7/8 in47.625 mm N/A 3.937 in100 mm N/A 0.8640 in21.946 mm N/A 3.7640 in95.606 mm N/A 4.1389 in105.128 mm N/A 6280 lbf28000 N N/A 42200 lbf188000 N N/A CAD Icon (for items table)
388A - 384XD N/A 385 N/A 2.2650 in57.531 mm N/A 3.937 in100 mm N/A 0.8640 in21.946 mm N/A 3.7640 in95.606 mm N/A 4.1389 in105.128 mm N/A 6280 lbf28000 N N/A 42200 lbf188000 N N/A CAD Icon (for items table)
389AS - 384XD N/A 385 N/A 2 1/8 in53.975 mm N/A 3.937 in100 mm N/A 0.8640 in21.946 mm N/A 3.7640 in95.606 mm N/A 4.1389 in105.128 mm N/A 6280 lbf28000 N N/A 42200 lbf188000 N N/A CAD Icon (for items table)
389A - 384XD N/A 385 N/A 2 1/8 in53.975 mm N/A 3.937 in100 mm N/A 0.8640 in21.946 mm N/A 3.7640 in95.606 mm N/A 4.1389 in105.128 mm N/A 6280 lbf28000 N N/A 42200 lbf188000 N N/A CAD Icon (for items table)
389 - 384XD N/A 385 N/A 2.1880 in55.575 mm N/A 3.937 in100 mm N/A 0.8640 in21.946 mm N/A 3.7640 in95.606 mm N/A 4.1389 in105.128 mm N/A 6280 lbf28000 N N/A 42200 lbf188000 N N/A CAD Icon (for items table)
397 - 394D N/A 395 N/A 2.3622 in60 mm N/A 4.3307 in110 mm N/A 0.8660 in21.996 mm N/A 1.8125 in46.038 mm N/A 2.0624 in52.385 mm N/A 5760 lbf25600 N N/A 38700 lbf172000 N N/A CAD Icon (for items table)
395X - 394D N/A 395 N/A 2 1/2 in63.500 mm N/A 4.3307 in110 mm N/A 0.8660 in21.996 mm N/A 1.8125 in46.038 mm N/A 2.0624 in52.385 mm N/A 5760 lbf25600 N N/A 38700 lbf172000 N N/A CAD Icon (for items table)
395-S - 394D N/A 395 N/A 2.6250 in66.675 mm N/A 4.3307 in110 mm N/A 0.8660 in21.996 mm N/A 1.8125 in46.038 mm N/A 2.0624 in52.385 mm N/A 5760 lbf25600 N N/A 38700 lbf172000 N N/A CAD Icon (for items table)
390 - 394D N/A 395 N/A 2 1/4 in57.15 mm N/A 4.3307 in110 mm N/A 0.8660 in21.996 mm N/A 1.8125 in46.038 mm N/A 2.0624 in52.385 mm N/A 5760 lbf25600 N N/A 38700 lbf172000 N N/A CAD Icon (for items table)
395CS - 394D N/A 395 N/A 2.6250 in66.675 mm N/A 4.3307 in110 mm N/A 0.9230 in23.444 mm N/A 1.8125 in46.038 mm N/A 2.1764 in55.281 mm N/A 5760 lbf25600 N N/A 38700 lbf172000 N N/A CAD Icon (for items table)
395A - 394D N/A 395 N/A 2.6250 in66.675 mm N/A 4.3307 in110 mm N/A 0.8660 in21.996 mm N/A 1.8125 in46.038 mm N/A 2.0624 in52.385 mm N/A 5760 lbf25600 N N/A 38700 lbf172000 N N/A CAD Icon (for items table)
395 - 394D N/A 395 N/A 2 1/2 in63.500 mm N/A 4.3307 in110 mm N/A 0.8660 in21.996 mm N/A 1.8125 in46.038 mm N/A 2.0624 in52.385 mm N/A 5760 lbf25600 N N/A 38700 lbf172000 N N/A CAD Icon (for items table)
392 - 394D N/A 395 N/A 2 7/16 in61.913 mm N/A 4.3307 in110 mm N/A 0.8660 in21.996 mm N/A 1.8125 in46.038 mm N/A 2.0624 in52.385 mm N/A 5760 lbf25600 N N/A 38700 lbf172000 N N/A CAD Icon (for items table)
390A - 394D N/A 395 N/A 2 1/2 in63.500 mm N/A 4.3307 in110 mm N/A 0.8660 in21.996 mm N/A 1.8125 in46.038 mm N/A 2.0624 in52.385 mm N/A 5760 lbf25600 N N/A 38700 lbf172000 N N/A CAD Icon (for items table)
399A - 394D N/A 395 N/A 2 11/16 in68.263 mm N/A 4.3307 in110 mm N/A 0.8660 in21.996 mm N/A 1.8125 in46.038 mm N/A 2.0624 in52.385 mm N/A 5760 lbf25600 N N/A 38700 lbf172000 N N/A CAD Icon (for items table)
396 - 394D N/A 395 N/A 1.9685 in50 mm N/A 4.3307 in110 mm N/A 0.8660 in21.996 mm N/A 1.8125 in46.038 mm N/A 2.0624 in52.385 mm N/A 5760 lbf25600 N N/A 38700 lbf172000 N N/A CAD Icon (for items table)
399AS - 394D N/A 395 N/A 2 11/16 in68.263 mm N/A 4.3307 in110 mm N/A 0.8660 in21.996 mm N/A 1.8125 in46.038 mm N/A 2.0624 in52.385 mm N/A 5760 lbf25600 N N/A 38700 lbf172000 N N/A CAD Icon (for items table)
390 - 394DC N/A 395 N/A 2 1/4 in57.15 mm N/A 4.3307 in110 mm N/A 0.8660 in21.996 mm N/A 1.8125 in46.038 mm N/A 2.0624 in52.385 mm N/A 5760 lbf25600 N N/A 38700 lbf172000 N N/A CAD Icon (for items table)
392 - 394DC N/A 395 N/A 2 7/16 in61.913 mm N/A 4.3307 in110 mm N/A 0.8660 in21.996 mm N/A 1.8125 in46.038 mm N/A 2.0624 in52.385 mm N/A 5760 lbf25600 N N/A 38700 lbf172000 N N/A CAD Icon (for items table)
399A - 394DC N/A 395 N/A 2 11/16 in68.263 mm N/A 4.3307 in110 mm N/A 0.8660 in21.996 mm N/A 1.8125 in46.038 mm N/A 2.0624 in52.385 mm N/A 5760 lbf25600 N N/A 38700 lbf172000 N N/A CAD Icon (for items table)
399AS - 394DC N/A 395 N/A 2 11/16 in68.263 mm N/A 4.3307 in110 mm N/A 0.8660 in21.996 mm N/A 1.8125 in46.038 mm N/A 2.0624 in52.385 mm N/A 5760 lbf25600 N N/A 38700 lbf172000 N N/A CAD Icon (for items table)
Unit of Measure
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