The 6921 NTN Radial Ball Bearing is engineered for reliable performance with an inner diameter of 105mm and an outer diameter of 145mm. This bearing is constructed from high-quality materials, ensuring durability and longevity in demanding applications. Its design allows for high-speed operation while maintaining stability under load. The bearing meets industry standards, making it suitable for various industrial systems. Ideal for use in automotive, aerospace, and manufacturing sectors, it provides dependable performance in a variety of environments.