30218 Taper Roller Wheel Bearing 90mm x 160mm x 32.5mm One Bearing 30218 Single-row Taper Roller Wheel bearing, bearing ables to carry radial and axial load in one direction simultaneously (cone + cup), Bearing is made of Chrome Steel, Bearing inner diameter is 90mm, Bearing outer diameter is 160mm and Bearing width is 32.5mm.