The Grainger 16T183 is a 1/2 HP, 115V, 1725 RPM, 56C Frame, Open Drip Proof, Single Phase, Ball Bearing, Electric Motor. It has a 1/2" diameter shaft and measures 9-1/2" long by 5-3/4" wide by 6-7/8" high. This motor can be used for a variety of industrial applications and is totally enclosed and fan cooled for protection against dirt, dust and moisture. It requires a 20 amp branch circuit and is CSA certified. The 16T183 has a 1 year warranty.