This item includes:
4pcs 4-lead Nema23 stepper motor with dual shaft.
length of front axle 21MM,diameter of front axle 8MM
length of back axle 15MM,diameter of back axle 6.35MM
stepper motor ---23HS2442B
Part No.: 23HS2442B
Frame Size: NEMA23
Step Angle: 1.8 degree
Voltage: 3.36V
Current: 4.2A/phase
Resistance: 0.8 Ohm/phase
Inductance: 3.7mH/phase
Holding torque: 3.0N.M ( 425OZ-IN )
Number of wire leads: 4
Weight: 1.7 kgs
Length: 112mm
Front Motor Shaft: 8mm
Front Shaft length: 21mm
Back
Motor Shaft: 6.35mm
Back Shaft length: 15mm