1/3 hp 1735/1140 RPM 2-Speed 115V 5.8/4.1 ampsShaft 5/8" x 2.3"Rotation: Reversible6.5" DiameterMotor case length 8.5"Ball BearingsC-Face Mount1 Year mfg warrantySplit Phase Motor. Automatic Overload Protection. Continuous Duty; Open Drip Proof Enclosure; 40C Ambient Temperature; Class B insulation; 60 Hertz. S055MRJ7104022B. Ventilation Direct Drive Blower Motor.