30217 Taper Roller Wheel Bearing 85mm x 150mm x 30.5mm One Bearing 30217 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 85mm, Bearing outer diameter is 150mm and Bearing width is 30.5mm.