Timken 3784-3720 Tapered Roller Bearing Cup And Cone

The Timken 3784-3720 tapered roller bearing cup and cone is a single-row bearing assembly designed for heavy-duty rotating equipment and industrial power transmission, providing robust support for combined radial and axial loads. Commonly installed in industrial gearboxes, conveyor drives, mining and construction machinery, agricultural equipment, and other material-handling systems, it helps maintain precise shaft alignment and long service life for equipment repair, bearing replacement, and drivetrain retrofits. Specifications include bore 2.0000 in (50.800 mm), outside diameter 3.6718 in (93.264 mm), overall width 1.1875 in (30.163 mm), cone width 1.1930 in (30.302 mm), cup width 0.9375 in (23.813 mm); dynamic radial load rating 27,500 lbf (122,000 N), static radial load rating 34,300 lbf (153,000 N), and dynamic thrust load rating 4,120 lbf (18,300 N). The assembly uses stamped steel cage material and weighs 1.8 lb (0.80 kg). Part numbers: cone 3784, cup 3720; MPN 3784-3720. Common replacements include SKF 3784/3720, NTN 3784/3720, KOYO 3784/3720.