This size 57 NEMA 23 geared stepper motor is equipped with a MG series precision planetary gearbox and the gear ratio is 10:1 and the maximum backlash is 30 arc minutes. It's an ideal choice for applications that require good accuracy but low cost. Thanks to MG series' gearbox built-in shaft coupling function, you can replace the motor or gearbox easily.
Motor Specification
Part Number: 57HS112-4204S-MG10
Step Angle: 1.8deg
Bi/Unipolar: Bipolar
Holding Torque: 1.89Nm(268oz.in)
Rated Current/phase: 4.2A
Phase Resistance: 0.9ohms
Inductance: 3.8mH
Motor Length: 112mm
Number of Leads: 4
Lead Length: 500mm
Gearbox Specification
Gearbox Type: Planetary
Gear Ratio: 10:1
Efficiency: 95%
Backlash at No-load: 30arcmin
Gearbox Length: 55mm
Shaft Diameter: Φ14mm
Shaft Length: 35mm
Keyway length: 25mm
Motor Connection
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| Motor Specification | |
| Step Angle(°) | 1.8 |
| Bipolar/Unipolar | Bipolar |
| Holding Torque(Nm) | 3.0 |
| Holding Torque(oz.in) | 425 |
| Rated Current(A) | 4.2 |
| Frame Size(mm) | 57x57 |
| Body Length(mm) | 112 |
| Gearbox Specification | |
| Gearbox Type | Planetary |
| Gear Ratio | 10:1 |
| Efficiency | 95% |
| Backlash at No-load | 30arcmin |
| Gearbox Length(mm) | 55 |
| Shaft Diameter(mm) | 14 |
| Shaft Length(mm) | 35 |
