Beefy Planetary Gearbox Speed Reducer 20 To 1 Ratio For Nineteen mm Input Shaft And Eighty mm Servo Motor 750W CNC Lathe Gear Box With Backlash Under 7 Arc Minutes 3500 RPM Eighty By Eighty mm Frame Output Twenty mm Shaft

Planetary Gearbox Reducer 20:1 for 19mm input, 80mm frame
✔️ 20:1 ratio, 80x80 mm frame, 19 mm input, 20 mm output

This compact planetary gearbox is designed to mount on an 80 mm servo motor, with a 20 mm output shaft and a 19 mm input shaft. It’s a solid fit for CNC lathes, milling machines, engravers, and other compact setups where space is tight and torque matters.

✅ Gear ratio: 20:1
✅ Frame size: 80x80 mm
✅ Output shaft: 20 mm
✅ Input shaft: 19 mm
✅ Backlash: ≤ 12 arcmin
✅ Full-load efficiency: 94%
✅ Max input speed: 6000 rpm
✅ Rated input speed: 3500 rpm
✅ Max torque: 122 N
✅ Included: 1 pc gearbox, 4 screws

💡 What is a planetary gearbox used for in CNC machines and servo setups? Planetary gearboxes are handy for delivering high torque in tight spaces. - Torque multiplication for higher cutting power - Handy for precise positioning with low backlash - Durable steel gears resist wear in long runs - Easy to mount on 19 mm input shafts and 20 mm outputs