The Nachi 7210BMU angular contact ball bearing features a 50mm bore, 90mm outer diameter, and 20mm width, with a 40° contact angle for high axial load capacity. It has a brass cage and is flush ground for precision fit, made in Japan. The bearing is designed with a C3 internal clearance, suitable for applications requiring slight axial play. It offers a dynamic load rating around 38,500 N and a static load rating near 58,000 N. The bearing supports speeds up to 5,600 RPM with grease lubrication and 7,500 RPM with oil. It meets ISO P0 (ABEC 1) precision standards and uses high-quality steel rings for durability.