ER20 Air Cooled Spindle Motor Square Type With Flange 1.5kW Frequency Drive 220V Four Bearings 0.01mm Runout High Speed Pro Grade Precision CNC Milling Spindle For Metalworking And Woodworking Projects

ER20 Air-Cooled Spindle: 1.5kW, 0.01mm Runout
✔️ 1.5kW ER20 spindle, air-cooled, 0-18000 rpm, 220V drive

This high-speed ER20 spindle comes in a square-flange package with four precision bearings for rigid, precise milling on metal and wood. It’s a common choice for engraving machines, milling machines, lathes, and CNC routers.

✅ Power: 1.5 kW, 220V single‑phase, 0-18000 rpm
✅ Cooling: Air cooling for quiet operation
✅ Bearing: 4x sealed angular contact bearings (2x7005 P4 DT, 2x7002 P4 DT)
✅ Collet: ER20, range 1-13 mm including common sizes
✅ Size: 139 x 110 x 95 mm
✅ Inverter: 220V, 1.5 kW, 400 Hz ready drive
✅ Runout: < 0.01 mm

💡 What is the ER20 air-cooled spindle used for in CNC milling?

Here's a handy overview of typical uses and benefits.

• Precise, high-speed rotation ideal for metal and wood milling tasks
• Simple integration with standard 220V drives and ER20 tooling
• Compact, square flange design fits small CNC machines and routers