Dimensions (in mm) of 57mm square (NEMA 23) by 76mm stepper motor.
Stepper Motor: Unipolar/Bipolar, 200 Steps/Rev, 57×56mm, 7.4V, 1 A/Phase, POLOLU-1472
57 through-type linear screw stepper motor 100MM 200MM 57HA56-T10 screw 56MM cylinder movement screw rod telescopic walking
Stepper Motor: Unipolar/Bipolar, 200 Steps/Rev, 57×76mm, 4.5V, 2 A/Phase
Stepper Motor: Unipolar/Bipolar, 200 Steps/Rev, 57×76mm, 4.5V, 2 A/Phase, POLOLU-1475
Nema 23 - 57 x 57mm Stepper Motor - STEPPERONLINE
Stepper Motor SY35ST28-0504A 200 steps 10V / 0,5A Botland - Robotic Shop
Stepper Motor: Unipolar/Bipolar, 200 Steps/Rev, 57×76mm, 4.5V, 2 A/Phase, POLOLU-1475
NEMA23 - 1.8 Degree - 2.8A Stepper - 15:1 Gearbox - 3333_0 - Phidgets
Stepper Motor: Bipolar, 200 Steps/Rev, 57×56mm, 2.5V, 2.8 A/Phase at MG Super Labs India
Pololu - Stepper Motor: Unipolar/Bipolar, 200 Steps/Rev, 57×76mm, 4.5V, 2 A/Phase
Stepper Motor: Unipolar/Bipolar, 200 Steps/Rev, 57×76mm, 4.5V, 2 A/Phase