20 To 1 MGL Planetary Gearbox For Nema 23 Stepper Motor With 8mm Shaft 57mm Flange Shaft Length 20 To 25mm Rock Solid Low Noise High Torque Built To Last Durable Metal Housing Backlash 45 Arc Min Standard Shaft Compatibility

20:1 planetary gearbox for NEMA23 motors with 8mm shaft
✔️ 20:1 ratio, 8mm input shaft, 57mm flange, single unit

Inline planetary gearbox designed for standard NEMA 23 motors, featuring an 8mm input shaft and a 14mm output shaft in a rugged metal housing. It delivers high torque and long life with low noise, making it ideal for CNCs, robotics, and automated equipment. Includes 1 gearbox and 4 screws.

✅ Gear ratio: 20:1
✅ Backlash at no-load: ≤45 arcmin
✅ Output shaft Ø14mm, length 34mm, KeyWay
✅ Input shaft Ø8mm, length 20-25mm
✅ Frame size: 57×57mm; gearbox length: 78.8mm
✅ Efficiency: 80%; Noise: ≤55 dB
✅ Maximum torque: 25 Nm; Moment torque: 50 Nm
✅ Shaft loads: Axial 100N, Radial 300N
✅ Waterproof IP54; Lifetime: 20000 hours
✅ Includes: 1 gearbox + 4 screws

💡 What is a planetary gearbox used for in NEMA 23 motor setups with 8 mm shafts? A handy gearhead that boosts torque and smooths motion for compact automation tasks.

- Increases torque for precise movement in tight spaces - Reduces vibration and motor wear during long runs - Works with standard 8mm input shafts and 14mm outputs - Ideal for compact, high-precision drive systems