Medium Duty Belt Drive Less Drive Package, Propeller Diameter: 54", CFM Range: 30129-44535, Maximum Ambient Temperature: 104 F, Motor HP Range: 11/2-5, RPM Range: 343-507, Width: 60 In, Height: 60 In, Maximum Depth: 23", Mounting Position: Vertical Or Horizontal, Frame Material: Galvanized Steel, Propeller Material: Steel, Number Of Blades: 5, Requires Wall Collar And Shutter For New Installation, Bearing Type: Regreaseable Pillow Block, Bearing Size: 1-1/4", Shaft Size: 1-1/4, Dims: 60" H X 60" W X 23" D, Weight: 190 Lbs, Made In USA.