Bearings are essential components that facilitate smooth motion and reduce friction between moving parts in machinery and equipment. There are various types of bearings designed to suit different applications and load conditions. Ball bearings, consisting of steel balls between two rings, are commonly used for radial and thrust loads. Roller bearings, including cylindrical, tapered, and spherical variations, offer enhanced load-carrying capacity and are ideal for heavy-duty applications. Thrust bearings handle axial loads and provide support in one direction. Needle bearings have a slender design and are used in applications with limited space. Each type of bearing has its unique characteristics, allowing engineers to select the most suitable option for specific requirements, ensuring efficient and reliable operation of the machinery.