3.5KW Air Cooled CNC Spindle Motor With ER20 ER25, 4 Bearings, 220V 380V, Fixed Seat For CNC Milling Machines, Beefed Up Build, Efficient Fan Cooling For Steady Heat Dissipation And Stable Performance

Efficient 3.5kW Air-Cooled CNC Spindle for Single-Unit Milling
✔️ 3.5kW air-cooled spindle with ER20/ER25, fixed seat, 220/380V

This 3.5kW air-cooled CNC spindle is built for reliable milling and routing on CNC machines. It’s designed for fixed-seat mounting and efficient heat dissipation through an integrated fan cooling system, ensuring steady performance during long runs.

✅ 3.5 kW continuous power to maintain stable RPM during cuts
✅ ER20/ER25 tool holder compatibility for common mills
✅ Fixed-seat mounting provides precise alignment on CNC machines
✅ Liquid-cycle cooled shell reduces heat rise during high-speed rotation
✅ Supports 220V or 380V operation for global use

💡 What is a CNC spindle motor used for in precision milling and routing applications?

It powers cutting tools with precision and keeps RPM stable under load.

- Handy for precise material removal - Maintains consistent RPM for cleaner finishes - Helps with heat management during long runs - Works with standard ER20/ER25 toolholders