220V 4KW Square Air Cooled CNC Spindle Motor For CNC Router Machines, 18000RPM, ER25 6mm Collet, 300Hz VFD Ready, 4 Ceramic Bearings, Low Runout Under 0.005mm, Heavy Duty Design, Smooth High Torque Performance

Single-unit 4kW CNC Spindle for 220V Routers
✔️ 220V, 4kW, 18000RPM max, ER25-6mm, 0.005mm runout

This square, air-cooled CNC spindle is built for 220V power systems and 300 Hz VFD compatibility, making it a solid core for CNC routers and milling machines. It’s sold as a single unit with a compact, mount-friendly square housing ready for quick installation in standard machines.

✅ 220V operation, 300 Hz VFD ready
✅ 4kW rated power, 18000 RPM max
✅ ER25-6mm collet for versatile tooling
✅ 0.005 mm runout for high-precision milling
✅ 4 ceramic bearings for longer life and smoother operation
✅ Square housing with 2 mounting holes for fast setup

💡 What is a CNC spindle motor used for in a 220V router setup? A handy high-speed drive that provides power and precision for milling, engraving, and drilling. It’s a core component in hobbyist and professional CNC machines. - 220V 4kW spindle with ER25-6mm for common router bits - low runout under 0.005 mm for clean, accurate cuts - ceramic bearings extend life and reduce heat in continuous use - square housing with two mounting holes for easy, fast installation