This is Nema23 Planetary Reducer 57mm stepper motor. The Input shaft is 14mm. Planetary reducer gearbox with a 1:10 gear ratio at rated torque of 120Kgcm. 


Motor Specifications:

  • Step Angle : 1.8 Degree, 50 pole
  • Configuration: 4 wire bipolar stepper motor, 2-phase AC
  • Rated Voltage: 2.5V
  • Phase current: 4.2Amp
  • Resistance/phase: 1.13E
  • Inductance/Phase : 5.6mH
  • Rotor inertia: 480 gcm2
  • Insulation Class: Class B
  • Length (L): 76mm
  • Shaft Dia : 8mm
  • Shaft Length : 8.6mm

Gearbox Specifications:

  • Category : Planetary gear reducer
  • Efficiency : 96%
  • Ratio : 1:10
  • Gearbox weight : 0.8kg
  • Motor With Gearbox weight : 1.8kg
  • Shaft Dia : 14mm
  • Gearbox height: 53mm