The Grainger 16N434 is a 1/2 HP, 115V, 1725 RPM, 56C Frame, Open Drip Proof, Single Phase, Ball Bearing, Electric Motor. It has a NEMA standard 56C frame with a 1/2" diameter shaft and 1-1/8" long. The motor is totally enclosed, fan cooled (TEFC) with a cast iron frame and end bells. It operates on 115V, 60Hz single phase power and draws 8.6 full load amps. This general purpose motor can be used for pumps, fans, machine tools, conveyors, and other industrial applications requiring 1/2 HP.