NEMA 23 Stepper Motor Planetary Gearbox Speed Reducer 50:1 IP65 With 7 Arc-Min Backlash 8mm Shaft 57mm Flange 3000 RPM For CNC Router Milling Engraving Machines And 3D Printers

NEMA23 Planetary Gearbox 50:1 with 7 arc-min backlash
✔️ Pack: single unit, IP65, 60x60mm frame, 8mm shaft

This planetary gearbox is designed to mate with a NEMA 23 motor, reducing speed and boosting torque for precise, repeatable motion. It's widely used in CNC routers, engraving machines, milling setups, lathes, and 3D printers where compact, durable gearing helps improve accuracy and performance.

✅ Gear ratio: 50:1
✅ Backlash: ≤ 7 arc-min
✅ Frame size: 60x60 mm; Flange 57 mm; Shaft 8 mm
✅ Material & hardening: 20CrMnTi steel, carburized and hardened
✅ Efficiency: ≥ 96% (full load)
✅ Protection: IP65
✅ Max radial/axial loads: 400 N / 300 N
✅ Lifespan: ~20,000 h with durable grease

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

They boost torque and control speed in tight spaces where precision matters.

• Handy for compact drives in CNC routers, engraving machines, and 3D printers
• Low backlash supports accurate positioning under varying loads
• Efficient design reduces heat and power draw in automated systems
• IP65 sealed options stand up to dusty shop floors and humidity