The Grainger 16V667 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 1-1/4" long. The motor is totally enclosed, fan cooled (TEFC) with a cast iron frame and end bells. It can provide 0.37 kW of continuous power with a service factor of 1.15 and power output of 0.56 HP. The 16V667 operates on 115V single phase 60 Hz power.