... 3.Shaft:67,71,72.4,75,80 high speed 24v 18000rpm bldc1.Typical applications: Air Pump,Vacuum Cleaner,Printer,Electric Curtains2.Main ... voltage:3V; 6V;9V;12V;24V;3. Torque: 40Kgf.cm~100kgf ... .4,75,80,85mm5.Our high speed 24v 18000rpm bldc is with high torque,low speed,low noise ,good quality,long life,lower price ...