Taper Roller Bearing Cup and Cone M86649/M86610 30.16 x 64.29 x 21.43mm This is the most basic and most widely used type of tapered roller bearing. It consists of two main separable parts: the cone (inner ring) assembly and the cup (outer ring). It is typically mounted in opposing pairs on a shaft Bore Size: 30.16mm Width: 21.43 mm Diameter Outside: 64.29 mm Type: Set (Cup & Cone) Material: Chrome Steel Weight 360gms