Planetary Gearbox MGL Series 50 To 1 Reducer For Nema 17 Stepper Motors With 5mm Shaft High Torque Low Noise Long Life Durable Metal Gearbox 42mm Flange Backlash Under 45 Arcmin Built For Smooth Rock Solid Motion
✔️ 50:1 ratio, 42mm flange, 8mm output, includes 4 screws
This inline planetary gearbox is designed to fit standard NEMA 17 motors with 5 mm shafts, delivering high torque and low noise for precise motion in compact automation projects, 3D printers, CNCs, and robotics. The built-in input shaft coupling ensures easy pairing with 5 mm shafts.
✅ Gear ratio: 50:1 with low backlash
✅ Backlash at no-load: ≤45 arcmin
✅ Frame size: 42 x 42 mm; length 66 mm
✅ Output shaft: Ø8 mm, 21.5 mm long, KeyWay
✅ Input shaft: Ø5 mm; length 21.5-25 mm
✅ Efficiency: 80%; Noise: ≤55 dB; IP54
✅ Max torque: 10 Nm; Moment: 20 Nm
✅ Lifetime: ~20000 hours
✅ In-line design with built-in coupling for 5 mm shafts
💡 What is a planetary gearbox used for with standard 5mm shafts?
A handy solution for precise motion in compact automation gear setups.
- Handy for small CNCs, 3D printers, and robotics - Increases torque while keeping motion smooth and controllable - Pairs easily with NEMA 17 motors thanks to 5 mm input shaft - Long life and low maintenance for ongoing projects