China Olearn CNC Spindle Motor 2.2kw 3HP Air Cooled Spindle Motor with Four Bearings 220V Er20 Collet Air Cooling Spindle Motor 24000 Rpm CNC Spindle 400 Hz for CNC, Find details about China Milling Motor, Water Cooled Spindle from Olearn CNC Spindle Motor 2.2kw 3HP Air Cooled Spindle Motor with Four Bearings 220V Er20 Collet Air Cooling Spindle Motor 24000 Rpm CNC Spindle 400 Hz for CNC