9X7X1/2" Blower Wheel CW 70-18631-01 Rheem Ruud Technical Data » Overall Diameter Dim. D (in.): 9-1/2 Overall Width Dim. W (in.): 7-1/8 Nominal Size (in.): 9 x 7 No.of Blades: 43 Nominal Hub Bore Shaft Size Dim. E (in.): 1/2 No. Set Screws: 1 Outside Edge of Disc to Outside End of Hub Dim. A (in.): 1-3/4 Hub Length Dim. B (in.): 1-1/8 Disc Setback - Outside Edge of Disc to End of Wheel Opposite Hub Dim. C (in.): 3-9/16 Keyway (in.): None Rotation Direction (Facing Hub): CW Disc Shape (Hub side): Convex Used on: RGDC-04, RQLAA018, RQLAA024, RQMAA018, RQMAA024, RSMAA018, RSMAA024, RQKAA018, RQKAA024, RRKA-A018, RRKA-A024, RSKAA018, RSKAA024, RQNAB024, RQNLB024, RQPLB024, RQPLB025, RQPWB024, RQPWB025, RRMA-A018, RRMA-A024, RRNA-A024, RRNAB024, RRNLB024, RRPLB024, RRRLB024, RRRLC024, RSNA-A024, RSNAB024, RSPLB024 Replaces: 5152-5571, 5152-5521, D-53023-11, 70-18631-05, 70-18631-03, 70-18631-02, 70-20218-01, 5152-5531, 5152-5502