1.8 Degree NEMA 17 Stepper Motor Tr8×4 40mm Body 2.0A
The NEMA 17 screw stepper motor features excellent self-locking characteristics, maintaining position after drive signal input stops. Ideal for mechanical processing, robotics technology, and automation equipment.
Key Features & Services
- Customizable services and contract manufacturing available
- Dealer opportunities available
- 12 years of operation serving over 800 customers
- CE and RoHS approved
- Each model suitable for various applications
Dimensions
Motor Specifications
| Step Angle | 1.8° |
| Frame Size | 42 mm |
| Number of Phase | 2 Phase |
| Rated Current | 2A |
| Holding Torque | 450 mN.m |
| Resistance | 1.1 ohm |
| Inductance | 2.6 mH |
| Rotor Inertia | 57g-cm² |
| Motor Weight | 0.3 kg |
| Lead Screw | Tr8×4 |
| Connection | Bipolar |
Operating Specifications
| 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 Ohm at 500 VDC |
| Dielectric Strength | 500 VDC for 1 min |
| Shaft Radial Play | 0.02 Max. (450g-load) |
| Shaft Axial Play | 0.08 Max. (450g-load) |
| Max. Radial Force | 28N (20mm from the flange) |
| Max. Axial Force | 10N |
Available Models
| 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 |
Customization Options
If our standard motors cannot meet your requirements, we can customize motors according to your specific needs. Customization includes special shafts, winding parameters, installation dimensions, lead wires with special requirements, connectors, and more.
Encoder
Brake
Gearbox
Shaft
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