Marathon Motors Fan Blower Motor, D163, 48S17D2088, 1/2HP, 1800RPM, 230V, 1PH, 48Z 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 NUMBERD163 HORSEPOWER1/2 MOTOR RPM 60Hz1800 VOLTAGE230 PHASE1 FRAME48Z ENCLOSURE TYPEOpen/Drip Proof HERTZ60 SPEEDS1 ROTATIONCCW THERMAL PROTECTIONAutomatic RATED RPM1800 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 LBS19 RPM RANGE1701-1800 OPPOSITE END BEARINGBall FL AMPS4.5 - 3.4 ASSEMBLYF1 Only ENCLOSUREDP