The NACHI 5205-2NS is a double-row angular contact ball bearing designed for high-performance applications. It features a 25 mm bore diameter, a 52 mm outer diameter, and a width of 20.6 mm. The bearing has a 20-degree contact angle and is equipped with double seals for enhanced durability. It offers a dynamic load rating of 21,800 N and a static load rating of 15,100 N. This bearing is suitable for various applications, including blowers, high-speed vacuum pumps, and two-wheeled vehicle transmissions, due to its robust design and ability to handle both radial and axial loads efficiently.