Roller chains are a fundamental component in various mechanical systems, known for their efficiency and reliability in transmitting power. Comprising interconnected cylindrical rollers held together by link plates, these chains form a robust and flexible mechanism. Roller chains find widespread use in diverse applications, ranging from industrial machinery and automobiles to bicycles and conveyor systems. Their design ensures smooth and efficient power transmission, allowing for minimal energy loss during operation. The precision engineering of roller chains contributes to their durability, making them capable of withstanding heavy loads and harsh conditions. Easy to install and maintain, roller chains play a crucial role in the seamless functioning of machinery, exemplifying a blend of strength, precision, and versatility in the world of mechanical power transmission.