Blower Wheel Product Type Blower Wheel Wheel Type Backward-Inclined Number of Inlets 1 Wheel Diameter 24 1/2 in Bore Diameter 1 7/16 in Wheel Material Steel Hub Type Not Applicable Wheel Hub Position Inside Maximum Speed 1 967 RPM Number of Blades 12 Blade Width 8.9 in Includes Set Screws Yes Includes Set Screws Compatible with Grainger Part Number 3C049A Compatible with Brand Dayton Compatible with Series Backward Incline Belt Drive Blowers