3.5kW ER20 Air Cooled Spindle Motor For CNC Machines 220V 380V Dual Voltage Heavy Duty High Speed Spindle With Four Bearings And 4.0kW Frequency Drive For Quiet Smooth Performance

High-Power ER20 Air-Cooled CNC Spindle 220/380V
✔️ 3.5kW ER20 air spindle, 0-18000 rpm, dual 220/380V (single unit)

This compact spindle motor delivers strong power for engraving, milling, and CNC routing. It's commonly used on hobbyist mills, CNC routers, and light production setups that require ER20 collets and quiet air cooling.

✅ Power: 3.5 kW, 15 A, 220 V (dual voltage 220/380 V)
✅ Collet: ER20, 1-13 mm range (includes 1/4, 1/8, 1/2 inch options)
✅ Speed and drive: 0-18000 rpm, 0-300 Hz, 4.0 kW inverter
✅ Bearings: 2x ceramic 7005C P4 DB + 2x 7203C P4 DT
✅ Runout: less than 0.01 mm
✅ Size: 308 x 104 x 135 mm, air-cooled
✅ Applications: engraving, milling, lathe, CNC routers

💡 What is a high power ER20 spindle used for in CNC milling and engraving operations? A concise, handy overview helps you decide if this setup fits your shop. - For precise pocketing and contour milling with ER20 collets - Handy with ceramic bearings to reduce wear and extend life - Works with dual voltage and a 4.0 kW drive for flexible setups