... D: 37 to 480mm W: 12 to 120mm taper Roller BearingMaterial: chrome, carbon or stainless steel Bearing: separable ... bearing (outer ring, inner ring, and roller assembly) Roller: barrel shaped rollers Series: 30200, 30300, 31300, 32000 ... Application: car wheels, large-scale machine tool spindle, power reducers, conveyor rollers, heavy gear, winches, cranes and rolling equipment ...