Needle roller bearings are a type of rolling-element bearing that uses long, thin cylindrical rollers resembling needles. These bearings are designed to support high radial loads in applications with limited space, thanks to their compact design and high load-carrying capacity. Needle roller bearings are available in various configurations, such as **drawn-cup**, **caged**, and **full-complement** types, to suit specific requirements. Commonly used in automotive transmissions, industrial machinery, and aerospace applications, they are valued for their lightweight construction, durability, and ability to handle high load capacities in tight spaces.