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BACHIN high quality 42stepper motor 40mm length 2 phase 4wire 1.5A nema17 1.8 degree for 3d printer parts
Technical Parameters
| Model Name | D84215-20 |
| Step Angle | 1.8deg |
| Step Angle Accuracy | ±5%(Full step,no load) |
| Resistance Accuracy | ±10%(20°C) |
| Inductance Accuracy | ±20%(1KHZ) |
| Temperature Rise | 80°C Max(Rated current,2 phase on ) |
| Ambient Temperature | -20°C~+50°C |
| Insulation Resistance | 100MΩ Min., 500VDC |
| Dielectric Strength | 500VAC for one minute |
| Shaft Radial Play | 0.02Max (450g-load) |
| Shaft Axial Play | 0.08Max (450g-load) |
Radial Maximum Load | 28N |
Axial Maximum Load | 10N |
Length | 40mm |
Holding Torque | 0.40N⋅m or 57.14oz/in |
Current / Phase | 1.5A |
Resistance / Phase | 2.5ohms |
| Inductance / Phase | 5.0mH |
| Rotor Inertia | 54g⋅cm² |
| Weight | 0.28Kg |
| Wires | 4 |
The pin layout of the motor:

Product details:
Shaft 20mm and 15mm





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