This big size 57mm NEMA 23 hollow shaft stepper motor has a body length 76mm with 4.2A rated current & holding torque 1.9Nm/269.8oz.in. A hollow shaft with outer diameter Φ15mm & inner diameter Φ12mm is available and also a double shaft with a front shaft length 7.1mm with 3x5 slot and rear shaft length 1.5mm is designed.
Electrical Specification
- Part Number: 57HS76-4204B-12C
- Step Angle: 1.8deg
- Bi/Unipolar: Bipolar
- Holding Torque: 1.9Nm(269.8oz.in)
- Rated Current/Phase: 4.2A
- Phase Resistance: 0.6ohms
- Inductance: 1.8mH
- Driving Voltage: 24-72VDC
Physical Specification
- Frame Size: 86x86mm
- Frame Size: 57x57mm
- Body Length: 76mm
- Outer Shaft Diameter: Φ15mm
- Inner Shaft Diameter: Φ12mm
- Front Shaft Length: 7.1mm
- Rear Shaft Length: 1.5mm
- Number of Leads: 4
- Lead Length: 1000mm
- Weight: 1.2kg
Contact Us
| Electrical Specification | |
| Bipolar/Unipolar | Bipolar |
| Step Angle(°) | 1.8 |
| Holding Torque(Nm) | 1.9 |
| Holding Torque(oz.in) | 269.8 |
| Rated Current(A) | 4.2 |
| Driving Voltage(VDC) | 24-72 |
| Physical Specification | |
| Frame Size(mm) | 57x57 |
| Body Length(mm) | 76 |
| Inner Shaft Diameter(mm) | 12 |
| Outer Shaft Diameter(mm) | 15 |
| Front Shaft Length(mm) | 7.1 |
| Rear Shaft Length(mm) | 1.5 |
| No. of Leads | 4 |
| Lead Length(mm) | 1000 |
| Weight(KG) | 1.2 |
