Electrical Specification ： 
Manufacturer Part Number: 17HS3001-CF5X
Motor Type: Bipolar Stepper
Step Angle: 1.8 deg
Holding Torque without Gearbox: 400mN.m
Rated Current/phase: 4A
Phase Resistance: 1.6ohms
Voltage: 1.6V
Inductance: 3.2mH ± 20%(1KHz)
 
Physical Specifications : 
Frame Size: 57 x 57mm
Motor Length: 56mm
Gearbox Length:48mm
Shaft Diameter: Φ12mm
Shaft Length: 30mm
Number of Leads: 4
Lead Length: 500mm
Weight: 1400g