The NKE RNAST12-R is a high-quality running and support roller, featuring a 12mm bore diameter, 32mm outer diameter, and 15mm width. These bearings are single-row angular contact ball bearings with a particularly thick-walled outer ring, enabling them to accommodate high radial forces and axial forces in both directions. The outer ring running surface is crowned as standard, preventing edge stresses during angular misalignment and allowing for higher speeds. With a dynamic load rating of 12.7 kN and a static load rating of 8.3 kN, this roller is suitable for demanding applications in cam gears, guide systems, conveying equipment, and linear guide systems. It has a limiting speed of 14000 rpm and weighs 0.052 kg.