What is a ball bearing used for? A ball bearing is a mechanical component used primarily to reduce friction between moving parts. It consists of small metal balls held in a ring-shaped raceway, allowing smooth rotation or linear motion with minimal friction. Ball bearings are commonly used in various applications including: Machinery: Ball bearings are widely used in machinery such as engines, turbines, gearboxes, and conveyor systems to facilitate smooth and efficient movement of rotating or linear components. Automotive: They are essential components in automotive systems including wheels, transmissions, and steering mechanisms, ensuring smooth rotation and reducing wear and tear. Aerospace: Ball bearings are used in aircraft engines, landing gear systems, and control mechanisms where lightweight and high-performance components are essential. Industrial Equipment: Many industrial processes rely on ball bearings for smooth operation, including manufacturing machinery, robotics, and material handling equipment. Household Appliances: They are found in various household appliances such as washing machines, electric fans, and power tools, improving efficiency and durability. Overall, ball bearings play a crucial role in numerous mechanical systems by reducing friction, enhancing efficiency, and prolonging the lifespan of moving parts.