Nema23 Stepper Motor Planetary Gearbox 5 To 1 Speed Reducer For 8mm Shaft 60x60 Flange 57mm Mount 7 Arcmin Backlash IP65 3000rpm Built To Last For CNC Router Benchtop Lathe And 3D Printer

Planetary Gearbox for 8mm Shaft, 5:1 ratio (single unit)
✔️ 5:1 gear ratio, 60x60 flange, IP65 protection, backlash ≤7 arcmin, 3000 rpm max

This compact planetary gearbox reducer is designed to mount with Nema23 stepper motors, offering a 5:1 reduction to boost torque while preserving speed range. It's commonly used in CNC routers, benchtop lathes, engraving machines, and 3D printers where precise, high-torque motion is needed.

✅ 60x60 mm frame size with 57 mm flange; fits 8 mm shaft
✅ Gear ratio 5:1 for torque boost and precise control
✅ Backlash ≤ 7 arcmin; full-load efficiency ≥ 96%
✅ IP65-rated protection; 20CrMnTi steel gears hardened for wear resistance
✅ Max radial 400 N, axial 300 N; input up to 3000 rpm
✅ Lifespan ~20000 hours with special grease, long-lasting lubrication

💡 What is a planetary gearbox used for in CNC and automation projects?

- Handy option for boosting torque on compact drives like CNC routers, benchtop lathes, or 3D printers while keeping precise speed control - Reduces motor speed to improve positioning accuracy and load handling during engraving and milling - IP65-rated enclosure protects gears from dust and moisture in busy workshop environments - Designed for 8 mm shafts and 57 mm flange on common stepper motors for easy mounting