A Bearings: Ball , Duty: Continuous , Efficiency Group: NEMA Premium , Frame Material: Rolled Steel , Hz: 50/60 , Insulation Class: F , Max. Ambient Temp.: 40 Degrees C , Motor Application: Pumps , Motor Design: 3-Phase , Motor Enclosure Design: Totally Enclosed Fan-Cooled , Motor Shaft Design: JP Threaded , Motor Sub Application: Close-Coupled Pump , Motor Thermal Protection: None , Phase: 3 , RPM Range: 1701-1800 , Service Factor: 1.15 , Shaft Dia.: 7/8" , Shaft Length: 7.375" , Voltage: 230/460