Blower Wheel Product Type Blower Wheel Wheel Type Radial Number of Inlets 1 Wheel Diameter 9 in Bore Diameter 5/8 in Wheel Material Aluminum Rotation CW/CCW Hub Type Not Applicable Wheel Hub Position Center Maximum Speed 3 500 RPM Number of Blades 6 Blade Width 2.8 in Includes Set Screws Yes Includes Set Screws Compatible Grainger Part Number 6YG63 Compatible with Brand Dayton Compatible with Series Radial Blade High Pressure Direct Drive Blowers