A coupling is a mechanical element that combines the drive shaft & driven shaft of a motor, pump, etc., to conduct power. Shaft couplings propose mechanical flexibility, support resistance for shaft misalignment. Hence, the flexibility of coupling can cut down irregular wear on the bearing, equipment vibration, and other mechanical troubles due to misalignment. Shaft couplings serve as a crucial link to reduce vibration and impact, grant smooth rotation for transmission. This eLearning course will help you to master the concept of coupling, its usages, and introduction to several rigid and flexible couplings used in industries.