1/3 hp 1650 RPM 1-Speed 115V 4.0 ampsShaft 1/2" x 3.25"Rotation: Reversible5.0" DiameterMotor case length 6.062"Ball BearingsStud MountIncludes 6.0 MFD capacitor1 Year mfg warrantyPermanent Split Capacitor Motor. Automatic Overload Protection. Continuous Duty; Open Enclosure; 40C Ambient Temperature; 15" Leads, 60 Hertz. K055EZS7589022B.