MGL Series Planetary Gearbox For Nema 23 Motors With 50 To 1 Gear Ratio And 45 Arcmin Backlash, 8mm Shaft, 57mm Flange, Metal Housing, Shaft Length 20-25mm, Low Noise High Torque Drive For CNC And Robotics By StepperOnline

Compact MGL 50:1 Planetary Gearbox for NEMA 23 Motors
✔️ 50:1 gear ratio, ≤45 arcmin backlash, 1 pc gearbox, 8mm input shaft

This inline planetary gearbox is designed to fit standard NEMA 23 motors with 8mm shafts, delivering high torque and smooth operation for CNC and robotics applications. The rugged metal housing provides durability and IP54-rated protection for typical shop environments.
Dimensions:

Frame Size	57 x 57 mm
Gearbox Length	78.8 mm
Output Shaft Ø	Ø14 mm
Output Shaft Length	34 mm
Input Shaft Ø	Ø8 mm
Input Shaft Length	20-25 mm

✅ Gearbox Type: Spur Planetary
✅ Gear Ratio: 50:1
✅ Gear Material: Powder Metallurgy
✅ Efficiency: 80%
✅ Backlash at No-load: ≤45 arcmin
✅ Maximum Permissible Torque: 20 Nm (177.02 lb-in)
✅ Moment Permissible Torque: 40 Nm (354.04 lb-in)
✅ Shaft Maximum Axial Load: 100 N
✅ Shaft Maximum Radial Load: 300 N
✅ Noise: ≤55 dB

💡 What is a planetary gearbox used for in precision motion control? A handy drive that boosts torque while keeping size small and control sharp. - high torque output in a compact package for CNC and robotics - low backlash to improve repeatable positioning - compatibility with standard NEMA 23 shafts and 8mm input shafts - durable metal housing with IP54 protection for harsh shop conditions