The NACHI 5210 angular contact ball bearing features a double-row design with an inner diameter of 50 mm, an outer diameter of 90 mm, and a width of 30.2 mm. It offers a basic dynamic load rating of 54,500 N and a static load rating of 44,500 N, supporting high radial and axial loads. This bearing is available in open, shielded, and sealed (2NS) versions, with a contact angle optimized for axial load capacity. It uses a punching cage and is suitable for applications such as blowers, high-speed vacuum pumps, and transmissions. The bearing meets ABEC 1/ISO P0 precision standards and is manufactured in Japan.