MGL Series Planetary Gearbox With 25 To 1 Gear Ratio And 45 Arc Minute Backlash For 5 Mm Shaft And Standard Nema 17 Stepper Motor Beefy Torque Heavy Duty Metal Gearbox Low Noise Durable Flange 42 Mm Ideal For Robotics And CNC Projects

Planetary gearbox 25:1 for NEMA17 motors, single unit
✔️ 42mm flange, 66mm long, 8mm output shaft, 5mm input shaft

The MGL17-G25 inline planetary gearbox is designed to mate with standard NEMA 17 motors that use a 5 mm shaft. It provides high torque in a compact, low-noise package, ideal for robotics and small CNC projects.

✅ Gear ratio 25:1, backlash ≤45arcmin, efficiency ~80%
✅ Output shaft φ8mm, length 21.5mm, KeyWay
✅ Input shaft φ5mm, length 21.5-25mm
✅ Flange 42mm, gearbox length 66mm, IP54 rating
✅ 1 piece gearbox, 4 screws included
✅ Material: powder metallurgy gears in metal housing

💡 What is a planetary gearbox used for in robotics and CNC setups?

Planetary gearboxes are handy for turning high-speed motor output into controlled, high-torque motion in a compact package.

- High torque with low backlash for precise positioning - Compact form factor fits tight robot joints and CNC axes - Built-in 5mm input shaft coupling supports standard NEMA 17 shafts - Durable metal gears withstand rugged use and long life✝️