Taper Roller Bearing Cup and Cone 15123/15245 31.75 x 62 x 18.16mm 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: 31.75mm Width: 18.16 mm Diameter Outside: 62mm Type: Set (Cup & Cone) Material: Chrome Steel Weight 240gms