28x28mm NEMA 11 Geared Stepper Motor High Torque 95mN.M Bipolar
This NEMA 11 28mm x 28mm stepper motor with planetary gearbox delivers high torque in a compact package. The hybrid stepper motor series provides powerful holding torque in various sizes. Use with a microstepping driver to reduce vibration and achieve higher step resolution. Available in baseline versions or customized configurations.
Key Features
- Bipolar or unipolar versions available
- Hybrid stepper construction
- Available in single or double shaft versions
- CE and RoHS approved
- Customizations on request
Dimensions
Motor Specifications
| Parameter |
Value |
| Step Angle |
1.8° |
| Frame Size |
28mm |
| Number of Phase |
2 Phase |
| Rated Current |
0.67Amp |
| Holding Torque |
95mN.m |
| Resistance |
6.8ohm |
| Inductance |
4.9mH |
| Rotor Inertia |
9g-cm² |
| Motor Weight |
0.16kg |
| Gear Reduction Ratio |
19.2:1 |
| 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 deg 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 |
| 48 mm |
35 mm |
| 60 mm |
13.76 |
|
42.7 mm |
19.2 |
80% |
|
|
26.8 |
|
|
|
51 |
70% |
|
|
71 |
|
|
|
99.5 |
|
|
|
139 |
|
Custom Motor Solutions
If our standard motor cannot meet your requirements, we can customize the motor according to your specific needs. Customized content includes but is not limited to special shafts, winding parameters, installation dimensions, lead wires with special requirements, connectors, and more.
Available Options
Encoder
Brake
Gearbox
Shaft
Please click the "Get a quote" button below to tell us your requirements.