The NACHI 6308ZZNR radial ball bearing features a 40mm inner diameter, 90mm outer diameter, and 23mm width, designed as a single-row deep groove ball bearing with double metal shields for protection against contaminants. It includes a snap ring groove for secure axial location in housings, enhancing installation stability. This bearing supports moderate radial and axial loads with low friction and noise, suitable for various industrial applications. Its robust construction ensures durability and reliable performance at moderate speeds, making it ideal for machinery requiring precise rotation and load handling within these dimensional specifications.