Bearings: Ball , Body Dia.: 6.6" , Bolt Circle Dia.: 5 7/8" , Conduit Box Position: F1 , Duty: Continuous , Duty Cycle: Continuous , Height: 6 3/4" , Insulation Class: F , Inverter Rated: Yes , Motor Enclosure Design: Open Dripproof , Motor Mounting Position: Horizontal , Motor Shaft Design: JM Threaded , Motor Sub Application: Close-Coupled Pump , Motor Thermal Protection: None , NEMA Design: B , Number of Speeds: 1 , Phase: 3 , Rating: 1000:1 , Service Factor: 1.15 , Shaft Material: Carbon Steel , Warranty: 3 yr.