The Timken Company 3820-19 Tapered Roller Bearing

The Timken 3820-19 tapered roller bearing is a single-row TS-design bearing that supports combined radial and axial loads while maintaining precise shaft alignment in industrial equipment. It has a bore of 1.6250 in (41.275 mm), an outside diameter of 3.3750 in (85.725 mm), and an overall width of 1.1875 in (30.163 mm); the cage is pressed steel, it mounts as a shaft-and-housing assembly with cup part 3820 and compatible cone parts 3879 and 3880. Applications include industrial gearboxes, conveyors, agricultural, mining, construction equipment, and other heavy-duty power transmission systems where high load capacity and long bearing life are required; the dynamic radial load rating is 27,900 lbf (124,000 N), and common replacements include SKF 3879/3820, NTN 3879/3820, and KOYO 3879/3820.