Marathon Motors Fan Blower Motor, 4390, 5KH39QNA039, 1/2HP, 1725RPM, 115V, 1PH, 56 FR, DPMarathon's line of Heating, Ventilation, and Air Conditioning Motors are designed with dynamically balanced rotors for reduced vibration and quiet operation. Product Specifications BRANDMarathon Motors MANUFACTURERS PART NUMBERHG704 HORSEPOWER1/2 MOTOR RPM 60Hz1725 VOLTAGE115 PHASE1 FRAME56 ENCLOSURE TYPEOpen/Drip Proof HERTZ60 SPEEDS1 ROTATIONCCW RATED RPM1725 MOUNTINGRB (Resilient Base) BEARING TYPEBall DRIVE END BEARING SIZE6203 OPPOSITE END BEARING SIZE6203 INSULATION CLASSB SERVICE FACTOR1.25 AMBIENT TEMP C40 DUTYContinuous is_motorYes WEIGHT LBS17 RPM RANGE1701-1800 OPPOSITE END BEARINGBall FL AMPS7.9 ENCLOSUREDP