Powerful 1.5KW Air Cooled Spindle Motor With Four Bearings And ER11 ER20 Collets For CNC Router Engraver Frequency Converters, Balanced And Quiet Operation, High Precision, Long Lasting Life, Great For Milling And Engraving

High-Power 1.5KW Air-Cooled CNC Spindle with Four Bearings
✔️ 1.5 kW air-cooled spindle, four bearings, ER11/ER20, 8k-24k RPM

This air cooled spindle motor kit is designed for engraving machines and CNC routers, delivering high precision, balanced performance, and quiet operation during milling.

✅ Dimension: 65 mm diameter x 205 mm length (2.56 in x 8.07 in)
✅ Overall size: 381 mm x 178 mm (15 in x 7 in)
✅ Speed range: 8000-24000 RPM
✅ Power: 1.5 kW
✅ Runout tolerance: under 0.005 mm
✅ Weight: 2.8 kg

💡 What is a pillow block bearing used for in CNC machinery?

They provide steady shaft support and help spindles run smooth and quiet in milling and engraving setups.

• Handy for shaft alignment and load support in CNC systems
• Reduces vibration and extends tool life in high-speed spindles
• Compatible with sealed ball bearing setups for longevity
• Suitable for hobby mills, DIY routers, and light production