Marathon Motors Fan Blower Motor, K1487, 1/3HP, 1140/950RPM, 208-230/460V, 3PH, 56 FR, TENVMarathon'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 NUMBERB305 HORSEPOWER1/3 MOTOR RPM 60Hz1140/950 VOLTAGE208-230/460 PHASE3 FRAME56 ENCLOSURE TYPETotally Enclosed HERTZ60 SPEEDS1 ROTATIONCCW/CW THERMAL PROTECTIONAutomatic RATED RPM1140/950 MOUNTINGWB BEARING TYPEBall DRIVE END BEARING SIZE6203 OPPOSITE END BEARING SIZE6203 INSULATION CLASSB SERVICE FACTOR1.5 AMBIENT TEMP C65 DUTYContinuous is_motorYes WEIGHT LBS657 RPM RANGE1101-1200 OPPOSITE END BEARINGBall FL AMPS2.1-2.0/1.0 ENCLOSURETENV