18mNm 20mm Micro NEMA 8 Geared Stepper Motor
This micro DC geared stepper motor offers a compact NEMA 8 frame size with powerful performance. The hybrid stepper motor series provides substantial holding torque in various configurations. When paired with a microstepping driver, it delivers reduced vibration and enhanced step resolution. Available in standard versions or customizable configurations to meet specific application requirements.
Key Features
- Bipolar or unipolar versions available
- Hybrid stepper construction
- Available in single or double shaft versions
- CE and RoHS approved
- Customizations available upon request
Dimensions
Motor Specifications
| Step Angle |
1.8° |
| Frame Size |
20mm |
| Number of Phase |
2 Phase |
| Rated Current |
0.5Amp |
| Holding Torque |
18mN.m |
| Resistance |
11.5ohm |
| Inductance |
1.7mH |
| Rotor Inertia |
2g-cm² |
| Motor Weight |
0.1kg |
| Gear Reduction Ratio |
14:1 |
| Connection |
Bipolar |
Operating Specifications
Motor
| 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 |
Gear Box
| Housing Material |
Metal |
| Bearing at Output |
Ball Bearings |
| Max. Radial Load (12mm from flange) |
≤80N |
| Max. Shaft Axial Load |
≤30N |
| Radial Play of Shaft (near to Flange) |
≤0.06mm |
| Axial Play of Shaft |
≤0.3mm |
| Backlash at No-load |
1.5° |
Submodels
| Motor Length |
Length of Gearbox |
Ratio |
Efficiency |
| 34 mm |
27.2 mm |
3.71 |
90% |
| 40 mm |
5.18 |
35 mm |
| 48 mm |
13.76 |
80% |
| 60 mm |
19.2 |
26.8 |
| 42.7 mm |
51 |
70% |
71 |
Custom Motor Solutions
If our standard motor cannot meet your requirements, we can customize the motor according to your specific needs.
Customization Options Include:
- Special shafts and shaft configurations
- Custom winding parameters
- Modified installation dimensions
- Lead wires with special requirements
- Custom connectors and terminations
Available Options
Encoder
Brake
Gearbox
Shaft
Please click the "Get a quote" button below to tell us your specific requirements.