3.5KW Air Cooled CNC Spindle Motor ER20 220V And 380V High Torque With 4 Bearings, 18000 RPM GDZ105x102-3.5 For CNC Milling And Router Machines Great For CNC Milling, Routing And Prototyping In Small Shops And Fab Labs

3.5kW Air-Cooled CNC Spindle with 4 Bearings for Milling
✔️ 3.5kW air-cooled spindle: ER20, 18000 rpm, 220/380V

This 3.5kW air-cooled CNC spindle is designed for milling, routing, and prototyping in small shops and fab labs. It uses ER20 tooling, delivers high torque up to 18000 rpm, and supports 220V/380V operation. Built-in fan cooling plus a liquid-cycle cooled shell helps manage heat for longer tool life.

Key specs:
✅ 3.5 kW rated power
✅ 18000 RPM max speed
✅ ER20 tooling compatibility
✅ Dual voltage: 220V/380V
✅ Liquid-cooled shell for heat management

💡 What is a CNC spindle motor used for in typical workshop setups?

In a small shop or fab lab, this handy spindle powers high-speed milling and routing with reliable torque and repeatable results.

• High torque at speed for clean cuts on tough materials
• ER20 tooling compatibility for a wide range of cutters
• Dual voltage design for 220V or 380V CNC systems
• Efficient cooling options extend tool life during long runs