The three main types of bearings are ball bearings, roller bearings, and plain bearings.

   - Cylindrical Roller Bearings: Cylindrical roller bearings are optimized for high radial load-carrying capacity and are suitable for applications where precise radial load support is required, such as in electric motors, pumps, and gearboxes. They are less effective in accommodating misalignment compared to spherical roller bearings.

   - Spherical Roller Bearings: Spherical roller bearings are designed to primarily support heavy radial loads and moderate axial loads. Their unique design includes barrel-shaped rollers guided by inner and outer ring raceways with a common spherical raceway on the outer ring, allowing them to accommodate misalignment and axial displacement. They are commonly used in applications where heavy radial loads, shock loads, and misalignment are present, such as in heavy machinery, mining equipment, and industrial applications.