Needle bearings

Needle roller bearings consist of an outer ring and are fitted with a roller cage inside; the integral edges of the outer ring make the latter not separable from the roller cage. The massive execution of the outer ring confers a high stiffness to the bearing and a high precision. Needle roller bearings are therefore suitable for applications with high speeds, high loads and requiring great precision; they can be equipped with an inner ring. Types: RNA, NA, HK, NK.