Beefy 5.5kW Water Cooled CNC Spindle Motor For Metal Engraving, High Speed Constant Power Quiet Operation Heavy Duty Bearings Real Workhorse For CNC Routers Milling Machines And Machining Centers

Single-unit 5.5kW water-cooled CNC spindle for engraving
✔️ Heavy-duty 4-disc ceramic bearings, 24000 rpm, water cooled

This heavy-duty water-cooled CNC spindle motor is built for metal engraving, milling, and machining centers. It’s designed for CNC routers, lathes, and engraving machines where quiet operation and high torque matter.

✅ Power: 5.5 kW, 380V, 11A, 800 Hz
✅ Speed: 24,000 rpm, runout <0.01 mm
✅ Bearings: Four disc ceramic bearings for durability
✅ Cooling: Water cooling for quieter operation
✅ Chuck: ER25 and ER32 compatible
✅ Middle body diameter: 120 mm or 125 mm
✅ Clamping range: 1-13 mm (standard 6 mm)
✅ Lubrication: Grease lubrication included

💡 What is a water-cooled CNC spindle best used for in metal engraving and milling?

Here's a handy answer to help you decide if this spindle fits your setup.

- High-torque engraving and milling on metal and alloys
- Sealed ball bearing and ceramic bearing options boost reliability
- Water cooling reduces heat, extends tool life, and keeps tolerances tight