2204 - 2- Speed Evaporative Cooler Motor - 1/2 HPDial 2204 2 Speed Evaporative Cooler Motor 1 2 HP Features Genuine OEM replacement part Overload protected Heavy duty bearings Permanently lubricated Use 3 1 2" or 3 3 4" adjustable or 2 3 4" fixed pulley with 1 2" bore 1725 1140 RPM 115 Volt 60 Hertz Single phase Automatic reset thermal overload NEMA56Z frame Moisture resistant motor treatment 1 2" Diameter motor shaft HEZ1400155