SheavesBenefits:BAC belt drive systems are specifically selected and tested for each BAC unit type, ensuring optimal thermal performance and maximum service life. They guarantee a year-round reliable and vibration-free operation of your BAC cooling equipment.FeaturesSheaves feature taper-lock bushings for an optimal power transmission.Sheave combinations are selected to not exceed the maximum bearing load for both fan motor and fan shaft bearings.For induced draft units, we select high quality aluminium fan sheaves, corrosion resistant for use in the moist cooling tower environment.