Carbon brush dc motor Diameter 34mm,Length 29mm,Shaft 3mm Voltage: 3~24V No load Speed 3,500~15,000r.p.m Output ... :2.5~35W Models RK-510(3429),, Carbon brush dc motor, Cylinder, Diameter34mm ... mm. Operating voltage: 3~24V, At no load Speed 3,500~15,000 r.p.m, Output about 2.5~35W ... ~ 3624.03,3500.0352,5530.1263.21.6656.1263 DC Motor RK-510(3429)