10:1 Planetary Gearbox For Nema 23 Stepper Motors With 8mm Shaft And 20-25mm Shaft Length 57mm Flange 30 Arcmin Backlash Heavy Duty Metal Housing Low Noise Operation Ideal For Precision CNC And Robotics

Inline planetary gearbox for NEMA 23 motors, 8mm input
✔️ 10:1 gear ratio, ≤30 arcmin backlash, 66.3mm length, 10Nm torque

This inline planetary gearbox is built to fit standard NEMA 23 motors with an 8mm input shaft. It delivers high torque, low noise, and a rugged 57mm flange with a 66.3mm overall length for precision CNC and robotics applications. Included: 1 gearbox and 4 screws.

✅ Gear ratio 10:1
✅ Backlash ≤ 30 arcmin (no-load)
✅ Output shaft diameter φ14mm, length 34mm
✅ Input shaft diameter φ8mm, length 20-25mm
✅ Frame size 57x57mm; gearbox length 66.3mm
✅ Efficiency ~90%; max torque 10Nm
✅ IP54 waterproof rating; lifetime ~20,000 hours

💡 What is a NEMA 23 planetary gearbox used for in precision CNC and robotics?

A handy, compact drive that boosts torque and smooths motion in tight spaces. - Handy for compact CNC axes
- Pairs with 8mm input shafts on standard motors
- Reduces backlash for repeatable, accurate positioning
- Ideal for robotics projects needing reliable motion control