The Grainger 16N151 is a 1/2 HP, 115V, 1725 RPM, 56C Frame, Open Drip Proof, Single Phase, Ball Bearing, Electric Motor. It has a 48Y frame with a 1.15 service factor and features a cast iron body with an aluminum end bell. This motor can be used for a wide variety of industrial and commercial applications. With its powerful 1/2 HP motor, it provides reliable performance. The open drip proof design allows it to be used in applications with moderate dust and dirt. The 56C frame and 1725 RPM offers versatility for many replacement needs. Overall, this is a durable, industrial-grade electric motor well-suited for commercial and industrial use.