NEMA 23 Hollow Shaft Stepper Motor L=76mm 1.89Nm 4.2A ID Φ12mm OD Φ15mm
Note: The inner shaft dimensions and outer shaft dimensions can be customzied to meet your requirements.
Electrical Specification
Part Number: 57HS76-4204H12
Step Angle: 1.8deg
Bi/Unipolar: Bipolar
Holding Torque: 1.9Nm(269oz.in)
Rated Current/Phase: 4.2A
Phase Resistance: 0.6ohms
Inductance: 1.8mH
Driving Voltage: 24-72VDC
Physical Specification
Frame Size: 57x57mm
Body Length: 76mm
Outer Shaft Diameter: Φ15mm
Inner Shaft Diameter: Φ12mm
Front Shaft Length: 30mm
Rear Shaft Length: 10mm
Number of Leads: 4
Lead Length: 500mm
Weight: 1.2kg
Motor Connection
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| Electrical Specification | |
| Bipolar/Unipolar | Bipolar |
| Step Angle(°) | 1.8 |
| Holding Torque(Nm) | 1.9 |
| Holding Torque(oz.in) | 269 |
| Rated Current(A) | 4.2 |
| Phase Resistance(ohm) | 0.8 |
| Phase Inductance(mH) | 1.6 |
| Physical Specification | |
| Frame Size(mm) | 57x57 |
| Body Length(mm) | 76 |
| Shaft Type | Hollow Shaft |
| Inner Shaft Diameter(mm) | 12 |
| Outer Shaft Diameter(mm) | 15 |
| Front Shaft Length(mm) | 30 |
| No. of Leads | 4 |
| Lead Length(mm) | 500 |
| Motor Specification | |
| Rear Shaft Length(mm) | 10 |
