Taper Roller Bearing Cup and Cone LM501349/LM501310 41.28 x 73.43 x 19.56mm 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: 41.28mm Width: 19.56 mm Diameter Outside: 73.43mm Type: Set (Cup & Cone) Material: Chrome Steel Weight 350gms