Beefy 500W Spindle Motor For CNC Router, Air Cooled ER11, 12-100VDC, 0.5NM Torque, 12000RPM, 52mm Shaft, 45mm Chuck Length, High Precision 0.01-0.03 Runout, Includes Mount Clamp For Milling Machine

High-Precision 500W CNC Spindle Motor for Routers
✔️ 12-100VDC, air-cooled ER11 spindle, 0.5NM torque, 12000RPM, single unit

The compact spindle motor is designed for CNC routers and milling machines, delivering high-speed cutting with tight runout. It’s ideal for solid wood engraving, PCB drilling, and light aluminum tasks, with a 52 mm diameter mounting and a 45 mm chuck length for solid stability.

✅ Power: 500W
✅ Cooling: air-cooled
✅ Input voltage: 12-100VDC
✅ No-load speed: 2000-12000 r/min
✅ Torque: 0.5 NM
✅ Spindle diameter: 52 mm
✅ Chuck length: 45 mm
✅ Runout: 0.01-0.03 mm
✅ Insulation resistance: >2 MΩ
✅ Insulation dielectric strength: 400V
✅ Mount clamp included

💡 What is a reliable CNC spindle motor for high-precision engraving and PCB drilling? A good choice balances speed, torque, heat management, and rigidity.
- High torque at 0.5 NM supports stable cuts
- Wide voltage range (12-100VDC) fits many setups
- Air cooling helps keep temperatures down during long runs
- ER11 compatibility and 52 mm mount improve rigidity