The Grainger 16P961 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 shaft. The motor is totally enclosed, fan cooled (TEFC) with an open drip proof (ODP) design. It operates on 115V, 60Hz single phase power and draws 8.6 full load amps. The motor is built with ball bearings and can output 0.37 kW (0.5 HP) at 1725 RPM. The overall dimensions are 6-7/16" x 5-3/16" x 6-3/4" (HxWxD). This is a standard 56C frame ODP motor well suited for light industrial and commercial applications needing 1/2 HP at 115V.