CNC Air Cooled Spindle Motor 3.5KW 220V 380V ER25 With Ceramic Ball Bearings, 18000 RPM, Ultra Low Runout 0.01mm, 4 Bearing Setup, Inverter Included, Perfect For Milling And CNC Routers

Ultra-High Power 3.5kW CNC Spindle with Ceramic Bearings
✔️ 3.5kW, 0-18000 rpm, ceramic bearings, ER25 chuck, 220/380V, single unit

This air-cooled spindle motor delivers strong torque and tight runout for precision milling and routing. Designed for CNC routers and small-to-mid-size milling centers, it combines robust power with ultra-low runout and ceramic bearings for long life in demanding shop environments.

✅ Power: 3.5 kW
✅ Voltage: 220V / 380V
✅ Speed: 0-18000 RPM
✅ Runout: <0.01 mm
✅ Bearing type: 2x7007C P4 DB ceramic, 2x7002C P4 DT
✅ Chuck: ER25
✅ Inverter included
✅ Four bearing setup for stability
✅ Cooling: Air cooled
✅ Clamping range: 1-16 mm tooling (1/16"-5/8")

💡 What is a CNC spindle used for in precision milling? This handy tool powers cutting tools in CNC machines to create accurate cuts and smooth finishes. - Handy for milling aluminum and plastics - Works with CNC routers and small mills - Ceramic bearings dissipate heat and wear - ER25 tooling accepts common bit sizes