The Grainger 16T129 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 measures approximately 9-1/2" long x 5-3/4" wide x 6-7/8" high. This motor can be used for a variety of light industrial applications and has a maximum amp draw of 7.2 Amps. The 16T129 is totally enclosed and fan cooled for protection against dirt, dust and moisture.