High Torque World Gear Reducer Motor NMRV063 World Gear Reducer Deceleration Ratio 5: 1 To 100: 1 For CNC Device Stepper Motor ,Low Noise - 25 TO 1_NEMA52-130X130

GEAR RATIO :5:17.5:110:115:120:125:130:140:1 50:160:180:1100:1 MATERIAL : ALUMINUM ALLO KEYWAY :5 / 6 / 8MM INPUT HOLE : 14MM / 19MM / 22MM / 24MM AXLE HOLE :Standard size 25MM ( Non standard size is 28MM/35MM, please contact customer service personnel )