Home Products Spindle Motor Air Cooled Spindle Motor CNC Spindle 1.5KW ER16 Air Coole 80MM 220V 24000RPM (RMCS-7018) An air cooled CNC spindle with excellent quality over surface finish, high acceleration capability, acquiring less installation space and easy commissioning. Specification: Material: Stainless Steel Power: 1.5kW Voltage: 220V Current: 7A Frequency: 400Hz Speed: 10-24000RPM Runout off: Less than 0.01mm Precision tapered bore: Less than 0.005mm Bearing Lubrication: Grease Cooling: Air-cooled Collet size: ER16