STEPPERONLINE Nema 23 Stepper Motor 2.4Nm | 4.0A, 8mm Shaft, 57x57x82mm

Overview

The STEPPERONLINE Nema 23 Stepper Motor combines solid torque with a compact footprint, making it a versatile choice for precise motion tasks. Its 57x57 mm frame and 8 mm shaft deliver a robust balance of power and size, suitable for small to mid-size automation projects, CNC upgrades, and reliable positioning in demanding environments.

Built around copper windings and a precisely engineered coil assembly, this motor is designed to handle repeated micro-stepping with smooth transitions. The result is crisp, repeatable motion that can be leveraged in a range of applications—from hobby-grade machines to lightweight production setups—without sacrificing control or efficiency.

Key specifications

• Holding Torque: 2.4 Nm (339.79 oz-in)
• Step Angle: 1.8° (200 steps/rev)
• Rated Current/Phase: 4.0 A
• Phase Resistance: 0.65 Ω
• Inductance: 3.2 mH ±20%
• Frame Size: 57 × 57 mm
• Body Length: 82 mm
• Shaft Diameter/Length: Ø8 mm / 21 mm
• Lead Count/Lead Length: 4 leads / 300 mm
• Connection Colors: A+ Black, A- Green, B+ Red, B- Blue

Power, drive, and compatibility

Designed for use with a constant-current or chopper drive controller, the motor benefits from a typical voltage range of 24–48 VDC. A common starting point is around 36 VDC, which supports reliable torque and smooth motion when paired with suitable drivers.

What you can do with it

• Upgrade CNC axes, small routers, or milling tasks within a compact footprint.
• Integrate into automation projects requiring precise, repeatable 200-step motion with a sturdy 8 mm shaft.
• Use in 3D printers, pick-and-place equipment, or lab automation that benefits from stable step accuracy.

installation and physical fit

The 57 × 57 mm frame with an 82 mm body length fits many mounting patterns, while the 8 mm shaft and 21 mm shaft length support robust couplings. The 300 mm lead length and four-conductor wiring provide flexible routing for compact layouts.

Notes and recommendations

Do not connect the motor directly to a power supply. Always pair it with a compatible drive controller and correct wiring to safeguard performance and motor life.

Why choose STEPPERONLINE

With a reliable NEMA 23 sizing, clear color-coded wiring, and a focus on build quality, this motor is designed for straightforward integration into existing systems and new builds alike. The combination of torque, size, and predictable behavior helps streamline motion design and testing.