Nema 17 Stepper Motor With 5 To 1 MG Series Planetary Gearbox Bipolar 48mm Length High Torque Low Noise Long Life Built In Shaft Coupling For Easy Motor Or Gearbox Swaps Ideal For Precise Affordable Motion Control

Nema 17 Stepper with 5:1 MG Gearbox for precise control
✔️ 0.52 Nm torque, 5:1 MG gears, backlash ≤30 arcmin

This Nema 17 stepper motor uses a built-in MG5 planetary gearbox to deliver solid torque in a compact 42 x 42 mm frame. The integrated shaft coupling makes motor or gearbox swaps quick, ideal for affordable precision motion control in printers, CNCs, and small automation projects.

✅ Holding torque: 0.52 Nm (73.64 oz-in)
✅ Gearbox: Spur planetary, 5:1, powder metallurgy gears, 90% efficiency
✅ Backlash: ≤30 arcmin (no-load)
✅ Max torque: 9.0 Nm; Moment torque: 18.0 Nm
✅ Frame: 42 x 42 mm; motor length 48 mm; gearbox length 40 mm
✅ Output shaft: Ø8 mm, keyway; length 21.5 mm
✅ Current/phase: 1.68 A; resistance 1.80 Ω; inductance 3.20 mH
✅ Insulation class: B 130°C
✅ Part number: 17HS19-1684S-MG5

💡 What is a stepper motor with planetary gearbox used for in small automation projects? It's handy for precise, reliable motion in tight spaces. - Handy for CNCs, 3D printers, and compact robotics - Delivers high torque at low speeds in a small package - Sealed ball bearings reduce wear in dusty environments - Ceramic bearings can improve life and reduce heat