Assembly: F1 ONLY , Bearings: Ball , Body Dia.: 5 5/8" , Conduit Box Position: F1 , Duty: Continuous , Duty Cycle: Continuous , Frame Material: Steel , Insulation Class: B , Lead Length: 20" , Length Less Shaft: 5 7/16" , Max. Ambient Temp.: 40 Deg. C , Motor Application: HVAC/R , Motor Design: Split-Phase , Motor Enclosure Design: Open Air-Over , Motor Shaft Design: Flat , Motor Sub Application: Oil Burner , Motor Thermal Protection: Manual , Nameplate RPM: 3450 , NEMA Design: NO DESIGN CODE , Nominal Efficiency: 62% , Number of Speeds: 1 , Overall Length: 7 1/4" , Phase: 1 , Shaft Dia.: 1/2" , Shaft Length: 1 13/16" , Warranty: 1 yr.