Marathon Motors HVAC Motor, K546, 5K42JN3050, 1/2-1/6HP, 1725/1140RPM, 460V, 3 PH, 56 FRMarathon'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 NUMBERG140 HORSEPOWER1/2 MOTOR RPM 60Hz1725/1140 VOLTAGE460 PHASE3 FRAME56 ENCLOSURE TYPEOpen/Drip Proof HERTZ60 SPEEDS1 ROTATIONCW RATED RPM1725/1140 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 LBS22 RPM RANGE1701-1800 OPPOSITE END BEARINGBall FL AMPS1.1/0.6 ENCLOSUREDP