Stone Water Cooled Spindle Motor 5.5KW With Four Ceramic Ball Bearings D125mm For CNC Machines ER32, High Speed 800Hz, Metal Body, Whisper Quiet Operation And Reliable Live Spindle

Powerful water-cooled spindle for CNC machines, 5.5 kW
✔️ 5.5kW, 24000 rpm, ER25 chuck, 125mm dia, 220/380V

The water-cooled spindle motor is designed for CNC milling, engraving, lathing, and routing. It delivers higher torque and quieter operation compared with air-cooled spindles, making it ideal for long-running sessions in metalworking or sign-making shops.

✅ Four ceramic ball bearings (fully sealed angular contact)
✅ Water cooling for quieter operation
✅ 5.5 kW power, 220V/380V, 12A, 400Hz
✅ Speed up to 24,000 rpm, 125 mm diameter body, ER25 chuck
✅ Grease lubrication and rugged metal body

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

Handy for precise, high-speed cutting and engraving on metal, wood, and plastics. It stays cool and quiet under load, delivering stable performance for extended runs.

• High-speed engraving and milling with sealed ceramic bearings for long life
• Cooler operation with reduced heat, thanks to water cooling
• ER25 chuck with a range of collets for tooling flexibility
• Designed to work with frequency converters and CNC controllers