Air Cooled CNC Spindle With Four Ceramic Ball Bearings 3.5kW ER25 Tooling Includes 3.7kW VFD Inverter 380V Beefy Powerhouse Milling Motor For PCB Processing Advertising And Metal Engraving Without Flange

Air-Cooled ER25 CNC Spindle Kit with Ceramic Bearings
✔️ 3.5kW ER25 spindle, air-cooled, 380V VFD included, 214x82x94.5mm, single kit

This air-cooled CNC spindle kit is built for precise milling, engraving, and PCB work in compact CNCs. It features four ceramic ball bearings for smooth operation, sealed housing for dust resistance, and standard mounting patterns for quick swaps in advertising signs and metal engraving setups.

✅ Maximum Torque: 1.59 Nm
✅ Operating Speed: 0-18000 rpm
✅ Spindle Power: 3.5 kW
✅ Spindle Bearing type: 2x7007C P4 DB & 2x7002C P4 DT
✅ Spindle Cooling: Air cooled
✅ Spindle Current: 14.5 A
✅ Spindle Size: 214x82x94.5 mm (8.43x3.23x3.72 in)
✅ Spindle Collet: ER25
✅ Model Number: 3.5kw ER25 air cooled spindle kit

💡 What is an air-cooled CNC spindle used for?

An air-cooled spindle is a handy drive for precise milling, engraving, and PCB routing in compact CNC machines.

- handy for PCB routing and metal engraving with ER25 tooling - ideal for compact CNC setups due to light weight and easy mounting - keeps temperatures stable during long runs with effective air cooling