High Torque 10 To 1 Planetary Gearbox With Low Backlash 7 Arc-Min 16 Nm 4000 RPM Speed Reducer For Nema 23 Stepper Motors 6.35mm And 8mm Shafts Fits CNC Lathe Router Benchtop 3D Printer Gearboxes

Low-Backlash Planetary Gearbox for NEMA23 Motors
✔️ 10:1 ratio, backlash ≤7 arcmin, 16 Nm torque, 4000 rpm, 1 pc

This compact planetary gearbox (60x60 mm frame) accepts NEMA23 stepper motors via 8 mm or 6.35 mm shafts. It reduces speed and delivers high holding torque for CNCs, engraving machines, lathes, routers, and benchtop 3D printers.

✅ Frame size: 60x60 mm
✅ Output shaft: 14 mm
✅ Input shaft options: 6.35 mm (1/4") or 8 mm (5/16")
✅ Gear ratio: 5:1
✅ Backlash: ≤7 arcmin
✅ Efficiency: 96% at full load
✅ Max input speed: 8000 rpm; rated input speed: 4000 rpm
✅ Max radial/axial loads: 240 N / 220 N
✅ Noise level: <58 dB
✅ Includes: 1 pc gearbox, 1x 8mm to 6.35mm adapter, 4 screws

💡 What is a planetary gearbox used for? - Handy speed reduction and torque boost for small CNCs, routers, and 3D printers - Improves precision with low backlash in compact setups - Easy installation in tight spaces thanks to the 60x60 mm frame