ER25 CNC Spindle Motor With Ceramic Bearings, Beefy 3.5 kW Air Cooled, 4 Bearings, 220V 380V, Includes 3.7 kW VFD Inverter For 380V, High Speed Angular Contact Bearings, Axial Preload, Water Cooled Option For Quieter, Smoother Machining

Premium ER25 CNC Spindle with Ceramic Bearings 1 Unit
✔️ 3.5 kW air/ water-cooled, ceramic bearings, 4 bearings, VFD included

ER25 CNC spindle motor is a compact, high-speed drive designed for engraving machines, CNC routers, mills, and lathes. It uses ceramic bearings and axial preload for stiff, smooth operation and long service life in precision machining environments.

✅ 3.5 kW nominal power with robust spindle design for high RPM
✅ Water cooling option reduces noise and keeps temps low
✅ Ceramic high-speed angular contact bearings with axial preload
✅ 4 bearings provide stiffness and stable runout for precision work
✅ Compatible with 220V or 380V systems; includes 3.7 kW inverter for 380V

💡 What is an ER25 CNC spindle motor with ceramic bearings used for in precision machining?

This handy unit is designed for high-speed engraving and milling in compact CNC setups. - Handy for engraving machines, compact CNC mills, and small lathes - Improves rigidity and surface finish with axial preload - Works with 220V/380V systems via the included VFD inverter