Twenty Two Millimeter Planetary Gear Motor Stepper Motor With All Metal Gearbox Two Phase Four Wire Precision Motor One To Forty Five Point Two Reduction Ratio Built Tough For Smooth High Torque Motion Control

22mm Planetary Gear Motor with All-Metal Gearbox, 1x Unit
✔️ Two-stage planetary gearbox, 1:45.2 reduction, 0.4° output shaft

Compact 22mm stepper motor paired with an all-metal planetary gearbox provides high torque and smooth motion, ideal for CNC, robotics, and precision automation projects.

✅ Motor outer diameter: 20 mm
✅ Reducer outer diameter: 21.8 mm
✅ Length of gear motor: 45.2 mm (motor+gear box)
✅ Output axle diameter: 4 mm (with flat 2.9 mm)
✅ Output shaft length: 9.5 mm
✅ Line length: about 70 mm
✅ Weight: 70 g
✅ Motor type: two-phase four-wire stepper motor
✅ Reducer type: two-stage planetary gear reduction (all metal gear)
✅ Reduction ratio: 1:45.2
✅ Output shaft angle: about 0.4 degrees (904 pulses to 360 degrees)

💡 What is a small 22mm planetary gear motor used for in precision automation and robotics?

This handy device packs torque and accuracy into a compact form for tight spaces. - High torque in a tiny footprint supports reliable motion in tight spaces.
- Planetary gear reduction delivers smooth, consistent motion for repeatable positioning.
- Works with standard drivers for easy integration into most control systems.
- 0.4° output step angle enables precise positioning with the right controller.
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