70-24041-01 - Blower Wheel - 12" x 11" - CW - 1/2" BoreRheem 70 24041 01 Blower Wheel 12" x 11" CW 1 2" Bore Technical Data Overall Diameter Dim. D (in.): 12 3 4 Overall Width Dim. W (in.): 11 1 8 Nominal Size (in.): 12 x 11 Number of Blades: 43 Nominal Hub Bore Shaft Size Dim. E (in.): 1 2 Number Set Screws: 1 Outside Edge of Disc to Outside End of Hub Dim. A (in.): 1 8 Hub Length Dim. B (in.): 1 1 8 Disc Setback Outside Edge of Disc to End of Wheel Opposite Hub Dim. C (in.): 5 9 16 Keyway (in.): None