The SKF 1211ETN9 is a high-quality self-aligning double row ball bearing, engineered to accommodate static and dynamic angular misalignment. This bearing features a 55 mm bore diameter, 100 mm outer diameter, and 21 mm width, making it suitable for various industrial applications. The 'ETN9' designation indicates a glass fibre reinforced polyamide 66 cage, offering good sliding and running characteristics with low friction. It is a reliable component for machinery requiring robust performance under misalignment conditions.