Marathon Motors Unit Heater Motor, X303, 048A11T198, 1/4 HP, 1075 RPM, 115 V, 1 PH, 48Y, TEAOReplacement motors for unit heaters. Air over motors need to be mounted within the airstream for proper cooling. Product Specifications BRANDMarathon Motors MANUFACTURERS PART NUMBERBL3-RS-OP-56-4-B-D-.33-RS HORSEPOWER1/4 MOTOR RPM 60Hz1075 VOLTAGE115 PHASE1 FRAME48Y ENCLOSURE TYPETotally Enclosed HERTZ60 SPEEDS1 ROTATIONCCW THERMAL PROTECTIONAutomatic (under locked rotor only) RATED RPM1075 MOUNTINGResilient Base - Extended Studs BEARING TYPEBall DRIVE END BEARING SIZE6203 OPPOSITE END BEARING SIZE6203 INSULATION CLASSB SERVICE FACTOR1 AMBIENT TEMP C40 DUTYContinuous AOM is_motorYes WEIGHT LBS345 RPM RANGE1001-1100 OPPOSITE END BEARINGBall FL AMPS4.1 ASSEMBLYF1 Only