The Nachi 5205 double-row angular contact ball bearing features a 25 mm inner diameter, 52 mm outer diameter, and 20.6 mm width. It offers a high basic dynamic load rating of 21,800 N and a static load rating of 15,100 N, supporting combined radial and axial loads efficiently. This open-type bearing uses a punching cage and is designed for applications requiring high-speed rotation and durability, such as blowers and transmissions. Its double-row design provides enhanced rigidity and load capacity compared to single-row bearings, making it suitable for demanding mechanical environments. The bearing weighs approximately 0.42 lbs and maintains precise dimensional tolerances for reliable performance.