Carbon brush dc motor Diameter 35.5mm,Length 50mm,Shaft 3.175mm Voltage: 3.6~36V No load Speed 2000~25000r.p.m ... Output:5~75W DC motors models RS-540 or RS-545, Carbon brush dc motor, Cylinder ... , massager, hair dryer, paper Shredder, vacuum cleaner, haircut apparatus, printer, air pump, vending machine, blender, , drill & screw driver, forest tools, etc ...