Geared Nema 17 Stepper Motor With Integrated Planetary Gearbox 5.18:1 For 3D Printer CNC Built For Heavy Duty DIY Builds - 1.8 Degree Step, 2 Phase, High Torque 0.55Nm, Bipolar 1.7A 2 Ohm, 77mm Length, 4 Lead, Shaft 20mm, 8mm Diameter, 1m Cable

Heavy-Duty Geared NEMA 17 Stepper for DIY CNC (Pack: 1)
✔️ 1.8° step, 0.55Nm torque, 2-phase, 1m cable

This geared NEMA 17 stepper motor with an integrated planetary gearbox is built for compact, heavy-duty motion in DIY CNC machines, 3D printers, and robot projects. The 5.18:1 gearbox boosts torque without bloating the size, making it ideal where space is tight and accuracy matters. Body measures 42x42x76.6mm (1.66x1.66x3.02in); shaft is Ø8mm with 20mm length, and the D-cut is 15mm for secure couplings. Includes a 1m cable with 4 conductors colored A+ (black), A- (green), B+ (red), B- (blue). Weight is about 541g.

✅ Planetary gearbox ratio 5.18:1 integrated with NEMA 17 body
✅ Holding torque 0.55Nm (77.89 oz-in), rated current 1.7A
✅ Two-phase bipolar design, 1.8° step angle (200 steps/rev)
✅ Resistance 2.0Ω, inductance 4.0mH, rotor inertia ~72 g·cm²
✅ Shaft Ø8mm, 20mm length, D-cut 15mm, secure coupling
✅ Cable length 1m, 4-lead wiring: A+ (Black), A- (Green), B+ (Red), B- (Blue)

💡 What is a geared NEMA 17 stepper motor with planetary gearbox used for in small DIY automation projects?

This handy drive balances torque and size for tight spaces in hobby CNCs, printers, and robots. - Compact high-torque solution for hobby CNCs and 3D printers - Smooth operation with lower noise during long runs - Fits standard NEMA 17 mounting patterns - Great for heavy-duty DIY builds where space is at a premium