Nema 17 Stepper Motor With 39mm Length And 5 To 1 Planetary Gearbox 50 Arcmin High Torque Low Noise Long Life Built In Shaft Coupling For Easy Motor Or Gearbox Swap Ideal For Precise Budget Motion Control

NEMA 17 Stepper with 5:1 Planetary Gearbox, 39mm Single Unit
✔️ High torque, low-noise 5:1 gearbox, 30' backlash, built-in coupling

This compact 42 x 42 mm motor with a 39 mm body length and a 40 mm gearbox delivers high torque and steady operation for precise budget motion control. The built-in shaft coupling allows quick motor or gearbox swaps, making it ideal for compact CNC setups, small 3D printers, and hobby robotics where cost and precision matter.

✅ Part Number: 17HS15-1584S-MG5
✅ Motor Type: Bipolar Stepper
✅ Holding Torque without Gearbox: 36Ncm (51.0 oz-in)
✅ Rated Current/phase: 1.58A
✅ Phase Resistance: 1.65 ohms
✅ Inductance: 3.2mH ±20% (1KHz)
✅ Insulation Class: B 130°C
✅ Gearbox Type: Spur Planetary
✅ Gear Material: Powder Metallurgy
✅ Gear Ratio: 5:1
✅ Efficiency: 90%
✅ Backlash at No-load: ≤30 deg
✅ Max Permissible Torque: 9Nm
✅ Noise: ≤55 dB
✅ Waterproof Rating: IP54
✅ Lifetime: 20000 hours
✅ Frame Size: 42 x 42 mm
✅ Motor Length: 39 mm
✅ Gearbox Length: 40 mm
✅ Output Shaft Type: Key way
✅ Output Shaft Diameter: Φ8mm
✅ Output Shaft Length: 21.5 mm
✅ Connection: A+: Black, A-: Green, B+: Red, B-: Blue

💡 What is a NEMA 17 stepper motor with a 5:1 planetary gearbox used for in precision motion control? This handy setup is used to achieve accurate, repeatable positioning in small automation projects. - Handy for DIY CNC machines, 3D printers, laser cutters - Improves torque and control while keeping costs down - Supports quick swaps between motor and gearbox thanks to the built-in coupling - IP54-rated enclosure helps it hold up in workshop environments