The CW Blower Wheel for direct drive blowers are dynamically balanced and forward curved, incorporating the Preslok center disc construction for positive blade retention. The wheel provides higher RPM capability and industry proven reliability. Wheels are made of galvanized, cold-rolled steel. Rotation is by viewing hub (bore) end. Features: Universal blower wheels for direct drive blowers Made from galvanized cold rolled steel Convex OEM genuine factory authorized part Specifications: Manufacturer: Rheem Manufacturer Part Number: 703023 Product Type: Blower Wheel Disc Setback - Outside Edge of Disc to End of Wheel Opposite Hub Dim. C: 4 11/32" Hub Side Disc Shape: Convex Hub Length Dim. B: 1 1/8" Keyway: None No. of Blades: 48 No. Set Screws: 1 Nominal Hub Bore Shaft Size Dim. E: 1/2" Nominal Size: 10" x 10" Outside Edge of Disc to Outside End of Hub Dim. A: 2" Overall Diameter Dim. D: 10 5/8" Overall Width Dim. W: 10 11/16" Facing Hub Rotation Direction: CW Diameter: 15.40" x 14.65" x 14.65" Weight: 7.88 lb