Carries radial loads within a compact envelope, using a drawn outer cup with needle rollers running directly against the shaft, which keeps radial section low relative to load-carrying capacity. Outside diameter is 20.0 mm and width is 12.0 mm, with a net mass of 10.04 g. The limiting speed is 17500 1/min and the reference speed is 13500 1/min, based on the design to DIN 618/ISO 3245. The open-end construction has no inner ring, so a hardened and ground shaft surface is required to serve as the raceway, and axial positioning must be provided externally. As it comes without sealing, the bearing needs external protection from contamination and a separate lubrication supply, either grease or oil, matching the operating speed and temperature range. The needle roller bearing design suits arrangements where radial space is limited but sufficient radial stiffness is still needed.