4.5kw ER32 Air Cooled Spindle Motor 220v 380v Square Spindle With Ball Bearings 0.01mm Precision Tolerance And Flange Mount For CNC Routers And Milling Machines The Workhorse You Need

Single-Unit 4.5kW ER32 Air-Cooled Spindle for CNC Routers
✔️ 4.5kW ER32 air-cooled spindle, square flange, 0.01mm tol, 220/380V

This high-power ER32 air-cooled spindle is a square-flange drive designed for CNC routers and milling machines. It delivers strong torque, tight tolerances, and reliable ball bearings for precise cutting in wood, aluminum, plastics, and light metals. Optimized for 220V or 380V electrical systems, it's built to perform under demanding milling cycles.

✅ Power: 4.5 kW
✅ Spindle type: air-cooled
✅ Collet: ER32 compatible
✅ Flange: square flange mount
✅ Tolerance: ±0.01 mm
✅ Bearings: ball bearings
✅ Input voltage: 220V/380V

💡 What is a CNC spindle used for in wood and metalworking projects? A handy overview of its role in shaping precision and productivity. - High-speed rotation enables milling, drilling, and contouring - Delivers consistent torque and rigidity to reduce chatter - Works with ER32 tooling and square flange mounts for easy setup - Air-cooled design keeps temps stable during long runs