Big size tapered roller bearings: 1) Bore sizes: 4 (101.6mm) - 20 (508mm) 2) Two single cones, double-row cup, with or without a cup spacer They are mainly designed for: 1) Heavy guide box in bar and rod mills 2) Pump and compressors 3) Big cranes and hoists 4) Great gears and drives 5) Stamping presses 6) Bow thrusts on ships 7) Speed reducers 8) Big transmissions 9) Conveyor and transfer equipment 10) Automotive front and rear axles 11) Pinion shafts of differential gears for heavy duty trucks, buses 12) Drum shafts 13) Crankshafts 14) Crushers For more information, please kindly contact us!