power : 220v diamter Spindle Technical Parameters: Spec: Φ100×220mm (Diameter: 100mm x Length: 220 mm) Power: Power: 3 KW currency:7A Voltage: 220V Frequency: 400 Hz Speed: 24000 R/min Water Cooling type Run out off: less than 0.01mm Collect: ER20 Grease Lubrication 3 PCS bearing, More bearings, more precision, more durable. Net weight: 9 kg 3kw spindle