Needle roller bearings are a type of bearing that utilizes small, cylindrical rollers in order to reduce friction between moving components. The rollers are typically made from high-grade steel or other durable materials and are located between the outer and inner rings of the bearing. The rollers' small size and compact design make them perfect for applications where space is limited. Needle roller bearings are ideal for applications with higher speed requirements, as well as for applications with lower load capacities. Additionally, these bearings are often used in applications where accuracy and precision are key, such as in robotics, machinery and medical equipment. Needle roller bearings offer enhanced efficiency, reduced maintenance costs and improved performance.