1/3 hp 1725/1140 RPM 2-Speed 115V 7.1 ampsShaft 1/2" x 1.5"; Shaft Height 3.5"Rotation: Reversible5.6" DiameterService Factor 1.0Motor case length 8.25"Ball BearingsResilient Base Mount1 Year mfg warrantySplit Phase Motor. No Thermal Protection. Continuous Duty; Open Drip Proof Enclosure; 40C Ambient Temperature, 60 Hertz. SA55SCJ2963722B.