The HD13 industrial resolver is used with all the CIECO resolver based controls. It is one of the most rugged resolvers on the market today. The 5/8" shaft extends through a sealed double row bearing to the back of the housing which is machined from a solid block of aluminum. Resolver rotor is mounted to the 5/8" shaft and the outer portion is press fit into the aluminum block. Our unique design contributes to its ability to withstand shock and vibration of harsh industrial environments.