Beefy Air Cooled Spindle Motor 3KW ER20 With Ultra Low Runout 0.01mm Four Bearing High Precision Design Includes 4KW VFD CNC Kit For Smooth Milling Quiet Operation And Reliable Performance

High-Precision 3kW ER20 Air-Cooled Spindle Single Unit + VFD
✔️ 3kW spindle, 4 ceramic bearings, 18000rpm, 220V, VFD kit included

The spindle is a compact, high-precision power unit designed for CNC machines like mills, routers, engravers, and lathes. It’s ideal for hobbyist workshops and small shops where reliable, quiet operation matters.

✅ 3 kW rated power, 18000 rpm max speed, 220 VAC operation
✅ Four ceramic bearings for smooth, durable performance
✅ 0.01 mm runout to maintain tight tolerances during cutting
✅ ER20 collet system with included 14-piece set for versatile tooling
✅ Air-cooled design for cooler, quieter milling and engraving

Out dia (D1)	11.5 mm
Height (H)	18 mm
Hole dia (D2)	1-13 mm

💡 What is a CNC spindle used for in small workshop setups? This drive unit powers precise cutting and engraving across a range of hobbyist and light industrial projects.
- Handy for engraving, milling, drilling on wood, plastic, and soft metals - Works with ER20 collets and a VFD for speed control - 0.01 mm runout and four ceramic bearings boost accuracy and durability - Compatible with common CNC machines and retrofit kits