380V ER25 CNC Water Cooled Spindle With 3.2kW Constant Power Motor 4 Bearing High Speed Main Unit For Metalworking Mold Making And Milling Machine Tools

Single-Unit 3.2kW Water-Cooled ER25 CNC Spindle
✔️ 380V, 3.2kW, 24000rpm, ER25 chuck, water cooling, 4 bearings

This single-unit CNC spindle is a high-performance water-cooled drive designed for metalworking, engraving machines, milling machines, lathes, and CNC routers. It delivers quiet operation and reliable heat management for precision cutting and mold making.

✅ Speed: 24000 rpm; Power: 3.2 kW; Voltage: 380 V; Frequency: 800 Hz; Runout: less than 0.01 mm; Bearings: four disc ceramic bearings; Chuck: ER25; Cooling: water cooling; Middle body diameter: 105 mm (4.13 in) and 100 mm (3.94 in)
✅ Clamping tool diameter range includes 13 mm down to 1 mm with standard 6 mm (sizes: 13,12,12.7,11,10,9,8,7,6.35,6,5,4,3.175,3,2,1 mm)
✅ Frequency converter compatibility and ready for CNC routers and milling machines
✅ Grease lubrication and four disc ceramic bearings provide long life and low maintenance

💡 What is a water cooled CNC spindle used for in metalworking and why choose it?
Water cooling helps manage heat during high-speed milling, boosting precision and tool life.
- High-speed heat control reduces thermal expansion during cutting
- Quieter operation and improved heat management for extended runs
- ER25 tooling compatibility with standard CNC controllers
- Works with frequency drives for precise speed control