... 40CrNiMoA Dia: 1860mm Modulus: 24 Weight: 2300kg we manufacture spur gear ringthe material can be: AISI4140, AISI1025, 1035, 1045. 34CrNiMo6 ... 50kg-20000kgAll kinds of gear ring used on ball mill, sugar mill, rotary kiln and gearbox, reducer.we are a professional ... formed various production lines of standard bearing, special bearings, gear, large gear, sprocket, tire, hollow shaft and many other heat ...