Assembly: 180-011 , Bearings: Ball , Body Dia.: 8.4" , Bolt Circle Dia.: 7 1/4" , Design: B , Duty: Continuous , Duty Cycle: Continuous , Finish: Painted , Frame Material: Steel , Green Certification or Other Recognition: NEMA PremiumR Rated , Insulation Class: F , Length Less Shaft: 11 13/16" , Lubrication: Polyrex EM , Motor Design: 3 phase , Motor Mounting Position: Horizontal , Mounting: Round , Nameplate RPM: 1770 , NEMA Design: B , Nominal Efficiency: 89.5% , Number of Speeds: 1 , Overall Length: 14.5" , Phase: 3 , Rotation: REV , Shaft Length: 2 3/4" , Warranty: 1 yr.