5 1/2 CW 1/4 HUB BACK Type: Condenser Fan Fixed Hub Number of Blades: 5 Pitch (Degree): 19 Bore Diameter Inches: 1/4 Rotation: CW Diameter Inches: 5.5 Material: Aluminum Max RPM: 4200 Depth Inches: 3/4 CFM @ 0.000-In. SP: 0.012 CFM @ 0.300-In. SP: 155 Min H.P. @ 0.000-in. SP: 186