Large tapered roller axle bearing for all 9" Ford tapered bearing rearend applications, or any rearend that has had a 9" Ford style housing end and axle conversion performed. 1.563" I.D., and 3.150" O.D. Includes 1 bearing, 1 bearing race, 1 bearing grease seal, and 1 bearing retaining collar. Sold per 1 set of 4 mentioned pieces.