Product details:

Blower Wheel Technical Specifications Disc Setback - Outside Edge of Disc to End of Wheel Opposite Hub Dim. C (in.) 4-11/32 Disc Shape (Hub side) Convex Hub Length Dim. B (in.) None No. of Blades 48 No. Set Screws 1 Nominal Hub Bore Shaft Size Dim. E (in.) 1/2 Nominal Size (in.) 10 x 10 Outside Edge of Disc to Outside End of Hub Dim. A (in.) 2 Overall Diameter Dim. D (in.) 10-5/8 Overall Width Dim. W (in.) Failure to understand and follow the manufacturers installation and use instructions may result in fire or explosion, electric shock, property damage, injury or loss of life. It is your responsibility to seek professional advice when installing and using these parts and accessories.