US Motors , 5632, Motor, Fan & Blower Motor Application, 1/2 to 1/3 hp, 115/208 to 230 VAC, 6.4/4.0 to 3.8 A, 50/60 Hz Frequency, 1 pH, 1075 rpm Speed, 1 Speed, Open Air Over Enclosure, 48Y Frame, 1/2 x 5 in Shaft, Reversible Rotation, 1 Service Factor, 40 deg C, Insulation Class: Class B, Steel, 5 5/8 in Dia x 11 1/4 in L Dimensions,