Used NEMA 17 Stepper Motor, Body 42.3 x 42.3 x 40 mm
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Prices updated: 14 Oct 2026
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About this product
A used NEMA 17 stepper motor with a 42.3 x 42.3 x 40 mm body, a common size for 3D printers, CNC machines and small automation builds. The listing notes that several part numbers exist in this size and the exact specification is not determined, so verify the coil ratings and wiring before connecting it to a driver.
Specifications
- Frame size
- NEMA 17
- Body size
- 42.3 x 42.3 x 40 mm
- Condition
- Used
- Part number
- Not specified in listing
Frequently asked questions
How do I wire a used NEMA 17 with no datasheet?
Use a multimeter to identify the two coil pairs by continuity, then confirm the coil current before setting your driver's current limit. Incorrect current can overheat or damage the motor.
Is it the same size as other NEMA 17 motors?
The 42.3 mm frame matches the standard NEMA 17 face size, but the listing does not give shaft or electrical details. Check your mounting and shaft dimensions before use.
