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   - Needle Roller Bearings: Needle roller bearings feature cylindrical rollers with a much smaller diameter-to-length ratio compared to cylindrical rollers. This design allows for a higher load-carrying capacity in a compact space, making needle roller bearings suitable for applications with limited radial space.

These four types of bearings play a crucial role in a wide range of machines and equipment, providing support for rotational and linear motion, reducing friction, and enabling the efficient and reliable operation of various mechanical systems across industries.