Bell & Gossett bronze impeller, with a 5-5/8" outside diameter, for B&G Series 60 models 60-8 and 60-19 pumps. Impellers are installed on the end of the pump shaft, which spins the impeller in turn pumping water, or other liquid, throughout your system.Used On:172479 Series 60 60-8S 3/4HP @5-5/8 IN.172485 Series 60 60-8T 3/4HP @5-5/8 IN.172550 Series 60 60-19S Inline Pump 1HP 1750 RPM 115/230/1/60172561 Series 60 60-19T 1HP 1750 RPM TRI/3/60