The R4A-2RS KSM Miniature Radial Ball Bearing is perfect for applications requiring compact and efficient performance. With a 4mm inner diameter and a 9mm outer diameter, this bearing is designed for tight spaces. It features double rubber seals that protect against dust and moisture, ensuring longevity. The bearing is made from high-quality steel, providing excellent load capacity and durability. With a dynamic load rating of 1,200 N, it is suitable for various precision machinery and equipment. This product meets ISO standards, ensuring compatibility and reliability in industrial applications.