28985+28921 tapered roller bearing
28985+28921 Tapered Roller Bearing in a Set, Cup and Cone. Sizes: ID: 2.3/8", x OD: 3.15/16", x W: 1", Inches. Match#: 28985/21,28921,4T.28921,4T.28985. Rolling bearings use rolling elements to maintain the separation between moving parts to reduce rotational friction and support radial and axial loads.