MOTORBOSS Direct Drive Fan/Blower, Fan & Blower Motors Application, 1/2 hp, 208 to 230 VAC, 2.9 A, 60 Hz Frequency, 1 ph, 1075 rpm Speed, 3 Speed, Open Air Over Enclosure, 48 Frame, 1/2 in Dia x 5 in L Shaft, Reversible Rotation, 1 Service Factor, Self-Aligning Ball Bearing, 58.57 oz-ft Breakdown, 15.88 oz-ft Locked Rotor Torque, Band/Hub/Stud Mounting, 40 deg C Ambient, Insulation Class: Class B, Rolled Steel, 5.6 in Dia x 11.4 in L Dimensions