Marathon Motors Fan Blower Motor, B100, 56S17D2064, 1/2HP, 1800RPM, 115/230V, 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 NUMBERB100 HORSEPOWER1/2 MOTOR RPM 60Hz1800 VOLTAGE115/230 PHASE1 FRAME56 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 LBS20 RPM RANGE1701-1800 OPPOSITE END BEARINGBall FL AMPS7.2/3.6 ASSEMBLYF1 Only ENCLOSUREODP