4KW 220V Air Cooled Spindle Motor ER25 18000 RPM With 4 Bearings And 300 Hz Frequency For CNC Milling And Router Machines High Speed Spindle For Beefed Up Precision Cutting
UPC:
✔️ 4kW ER25 air-cooled spindle, 88x98x310 mm (3.46x3.86x12.20 in), 220V
The air-cooled spindle is built for CNC milling, engraving, and routing work in shops and hobby setups. It’s ideal for engraving machines, milling machines, lathes, and CNC routers that demand reliable speed control and tight tolerances. The unit uses heavy-duty angular contact bearings with axial pre-load to improve stiffness and live spindle performance.
✅ Speed: 0-18000 rpm
✅ Bearings: 4x angular contact bearings (C7005x2 + C7003x2), P4 class
✅ Collets: ER25, 3.175/4/6/8/10/12.7 mm (2 included)
✅ Size: 88x98x310 mm (3.46x3.86x12.20 in)
✅ Power: 4.0 kW at 220V
💡 What is a common setup for a CNC spindle motor in typical shops? This handy arrangement helps you get accurate cuts with simple control. - Connect to a frequency drive for adjustable RPM - Use with ER25 collets and end mills for versatility - Pair with a rigid table and a linear slide unit for precision - Keep bearings cooled and lubricated to extend life