The four main types of bearings are ball bearings, roller bearings, plain bearings, and thrust bearings. Each type is designed to address specific load-bearing requirements and operational conditions in various machines and equipment across different industries.

   - Spherical Roller Bearings: Spherical roller bearings are designed to accommodate heavy radial and axial loads, as well as misalignment and shaft deflection. They are commonly used in applications where high load capacity and the ability to compensate for misalignment are essential, such as in heavy machinery, mining equipment, and industrial gearboxes.