https://www.ebay.com/itm/183684877108

Spindle Motor Specifications :
Power : 5.5KW
Voltage : 380V
Current : 12A
Frequency : 300Hz
Speed : 18000rpm
Cooling Type : Water-cooled
Joint of nose : BT30 Taper
Lubrication : Grease
weigth: 25kg
Diameter: 125mm
Lengt: 460mm
Air pressure: 6kg/cm2

thanks and best regards