Taper Roller Bearing Cup and Cone LM104949/LM104911 50.8 x 82.55 x 21.59mm 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: 50.8mm Width: 21.59 mm Diameter Outside: 82.55 mm Type: Set (Cup & Cone) Material: Chrome Steel Weight 460gms Type: Bearings