Timken 387S-902B6 Double Row Tapered Roller Bearing Assembly

The Timken 387S-902B6 Double Row Tapered Roller Bearing Assembly is a fixed-position, factory-clearance bearing designed for high radial and axial loads in heavy-duty rotating equipment such as industrial gearboxes, rolling mills, mining equipment, construction machinery, and material-handling systems where accurate shaft positioning and rigid support are essential. Configured as a taper double outer (TDO) assembly, it features a bore of 2.2500 in (57.150 mm), outside diameter of 3.9370 in (100.000 mm), overall width of 1.9369 in (49.197 mm), cone width of 0.8640 in (21.946 mm), and double cup width of 1.5620 in (39.675 mm); weight 3.12 lb (1.413 kg) and stamped steel cage. Dynamic radial load ratings are 42,200 lbf (188,000 N) C1, 10,900 lbf (48,700 N) C90-2 Row, and dynamic thrust Ca90 of 3,810 lbf (16,900 N). Common replacements include SKF 387S-902B6, NTN 387S-902B6, and KOYO 387S-902B6.