The NKE RNA4844 is a high-quality needle roller bearing designed for applications requiring a compact design and high load-carrying capacity. This genuine NKE bearing features a bore diameter of 220 mm, an outside diameter of 250 mm, and a width of 60 mm. It is a needle roller bearing without an inner ring, making it suitable for installations where the shaft can be used as the raceway, provided it is hardened and ground to the appropriate specifications. It offers a basic dynamic load rating of 425 kN and a basic static load rating of 730 kN, with a limiting speed of 1800 rpm and a reference speed of 1000 rpm.