taper roller bearing d: 15 to 360mm D: 37 to 480mm W: 12 to 120mm taper Roller BearingMaterial: chrome, carbon or stainless steel ... ring, inner ring, and roller assembly) Roller: barrel shaped rollers Series: 30200, 30300, 31300, 32000, 32200, 32300, 32900, 33000, ... rollers, heavy gear, winches, cranes and rolling equipment Size: d: 15 to 360mm D: 37 to 480mm W: 12 to 120mm Taper Roller Bearing