spindle 2.2KW air-cooled ER20

2.2KW ER20 air-cooled spindle motor engraving milling Specification: Material:Stainless steel Size:80x224mm (center diameter of body: 80mm x length: 224mm) Power:2.2Kw . Voltage:220VAC Current:8.5A Frequency:0-400Hz Speed:0-24000 rpm Cooling:Air-cooled Precision tapered bore:Less than0.025mm Beat off: Less than 0.05mm Bearing lubrication:Grease Sleeve size: ER20 Bearings: 4 bearings (C7005x2 + C7002x2), class P4, angular contact bearings . Net weight: 5.2 kg Main Application:Wood, aluminum, stone, metal, glass, pvc, PCB, etc. industry Main Application.