Marathon Motors Fan Blower Motor, B609, 056B17D2013, 3/4HP, 1800RPM, 277V, 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 NUMBERP185 HORSEPOWER3/4 MOTOR RPM 60Hz1800 VOLTAGE277 PHASE1 FRAME56 ENCLOSURE TYPEOpen/Drip Proof HERTZ60 SPEEDS1 ROTATIONCCW RATED RPM1800 MOUNTINGResilient Base - Extended Studs BEARING TYPEBall DRIVE END BEARING SIZE6203 OPPOSITE END BEARING SIZE6203 INSULATION CLASSB SERVICE FACTOR1.25 AMBIENT TEMP C40 DUTYContinuous is_motorYes WEIGHT LBS27 RPM RANGE1701-1800 OPPOSITE END BEARINGBall FL AMPS4.3 ASSEMBLYF1 Only ENCLOSUREDP