5.5kW Water Cooled ER20 CNC Spindle For 220V And 380V Systems, 125mm Shaft, 24,000 RPM, Beefed Up Four Bearing High Speed Live Spindle With Axial Preload, Quiet Operation For CNC Router And Aluminum Milling

Premium 5.5kW Water-Cooled ER20 CNC Spindle (1x)
✔️ 24000rpm, 125mm shaft, ER32 chuck, 220/380V, water-cooled

This high-speed 5.5 kW water-cooled ER20 CNC spindle is built for precision milling and engraving, delivering quiet operation and robust rigidity. It’s commonly used on CNC routers, engraving machines, milling machines, and lathes to handle aluminum and similar materials.

✅ High-speed main bearings with axial preload for rigidity and a true live spindle
✅ Quiet operation thanks to water cooling compared to air-cooled rivals
✅ ER32 chuck compatible, 125mm shaft, 24,000 RPM, 400Hz drive
✅ 220/380V input, water cooling, suitable for 220/380V systems

💡 What is a water-cooled CNC spindle used for in machining?

In short, it's handy for high-speed milling and engraving where heat and noise matter.

- Handy for precision milling and engraving on aluminum and plastics
- Improves heat management and reduces noise in busy setups
- Compatible with ER32 tools and 220/380V power, 400Hz drive