42x42mm NEMA 17 Ball Screw Stepper Motor With SFK0802 Linear Actuator Motor
The NEMA 17 ball screw drive structure features low frictional resistance, enabling higher movement efficiency and mechanical efficiency while reducing energy consumption of the drive system.
- Bipolar or unipolar versions available
- Simple and compact structure design for easy installation and maintenance
- Available in single or double shaft versions
- High precision, high efficiency, good torsional resistance, and easy installation
- Customizations available on request
| Step Angle | 1.8° |
| Frame Size | 42 mm |
| Number of Phase | 2 Phase |
| Rated Current | 1.68A |
| Holding Torque | 320 mN.m |
| Resistance | 1.5 Ω |
| Inductance | 2.5 mH |
| Rotor Inertia | 38 g-cm² |
| Motor Weight | 0.23 kg |
| Lead Screw | Ball Screw SFK0802 |
| Connection | Bipolar |
Step Angle: 1.8°
Maximum Temperature: 80°C maximum
Ambient Temperature: -20°C to 50°C
Storage Temperature: -20°C to 100°C
Humidity Range: 85% or less, non-condensing
Magnet Wire Insulation: Class B 130°C
Insulation Resistance: 100M Ω at 500 VDC
Dielectric Strength: 500 VDC for 1 min
Shaft Radial Play: 0.02Max. (450g-load)
Shaft Axial Play: 0.08Max. (450g-load)
Max. Radial Force: 28N (20mm from the flange)
Max. Axial Force: 10N
| Model | Holding Torque | Step Angle | Motor Length | Type of Shaft | Rated Current |
|---|---|---|---|---|---|
| 42SHD4950 | 0.13N.m | 1.8° | 20mm | D Shaft-20mm | 1.0A |
| 42SHD4003 | 0.26N.m | 1.8° | 34mm | D Shaft-20mm | 0.4A |
| 42SHD0261 | 0.45N.m | 1.8° | 40mm | D Shaft-20mm | 1.68A |
| 42SHD4425 | 0.59N.m | 1.8° | 48mm | D Shaft-24mm | 2.0A |
| 42SHD4813 | 0.8N.m | 1.8° | 60mm | D Shaft-24mm | 2.1A |
If our standard motor cannot meet your needs, we can customize the motor according to your requirements.
Customized content includes but is not limited to special shafts, winding parameters, installation dimensions, lead wires with special requirements, connectors, etc.
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Have questions about our products or want to discuss a custom order? Our team is ready to help you.