Type: Gravity-discharge hammer mill Rotor Diameter: 18 in. (460 mm) Rotor Width: 16 in. Housing Thickness: 1/2 in. Wear Plate Thickness: 1/2 in. Shaft Diameter: 2-1/2 in. Bearing Diameter: 1-15/16 in. Recommended Speed Range: 600–3,000 RPM Typical Motor Size: 20–50 HP Construction: Carbon steel or stainless steel Discharge: Screen or bar grate bottom discharge Feed: Top gravity feed