The DDL520ZZA1P25LY121 NMB Radial Ball Bearing is designed for high-performance applications requiring durability and precision. With an inner diameter of 5mm and an outer diameter of 20mm, it is ideal for various industrial uses. This bearing features a double shield design that protects against contaminants, ensuring longevity and reliability. Capable of operating at speeds up to 30,000 RPM, it is suitable for high-speed applications. Constructed from high-quality materials and compliant with ISO standards, this bearing ensures dependable performance in demanding environments.