The NKE RNA4908RSR is a high-quality needle roller bearing designed without an inner ring, making it suitable for applications where the shaft can serve as the raceway. This precision bearing features a 40mm bore diameter, 62mm outer diameter, and 22mm width. It is equipped with a single-lip seal (RSR) on one side, providing effective protection against contaminants and ensuring lubricant retention for extended service life. With a basic dynamic load rating of 37.5 kN and a basic static load rating of 52 kN, the RNA4908RSR offers reliable performance in demanding machinery environments.