Pro Grade High Precision Stepper Motor With 85mm Center Height For CNC 4th And 5th Axis Rotary Dividing Head 50 To 1 Harmonic Reducer Gearbox Low Noise Hysteresis Drive For 3D Printer And CNC Machinery

High-Precision CNC Stepper Motor with 85mm Center Height
✔️ 50:1 harmonic reducer, 110mm table, 260x110x130mm size

The compact rotary head with 85mm center height and 50:1 harmonic reducers is built for CNC 4th and 5th axis work. It’s designed for precise control in milling, engraving, rotary tables, and 3D printer setups, delivering stable, low-noise operation.

✅ Center height: 85 mm
✅ Worktable diameter: 110 mm
✅ Reduction ratio: A axis 50:1; C axis 50:1
✅ Motors: A axis 57 two-phase 4-wire 3A; C axis 57 two-phase 4-wire 2A
✅ Size: 260 mm x 110 mm x 130 mm
✅ Weight: 6 kg
✅ Low-noise dynamic balance design
✅ Precision steel ball holder for rotation accuracy

💡 What is a stepper motor with a harmonic reducer used for in CNC machinery?

This setup provides precise motion and high torque for multi-axis rotary heads. - high-resolution positioning on A and C axes - improved repeatability for rotary head tasks - quieter operation due to dynamic balance and reduced backlash - compatible with CNC milling, engraving, and 3D printer workflows ✝️