This single row angular contact ball bearing transmits combined radial and axial loads through balls arranged at a fixed contact angle. The 7310-B-XL-MP-UA design has a bore diameter of 50.0 mm, outside diameter of 110.0 mm and width of 27.0 mm, with a net mass of 1.19 kg. It is built to the X-life standard with a solid brass cage (MP), giving a limiting speed of 10900.0 1/min and a reference speed of 6100.0 1/min. The solid brass cage guides the balls precisely and withstands higher accelerations at elevated speeds, supporting stable operation up to the stated limiting speed. As a single row angular contact bearing, it carries axial loads only in one direction, so shaft arrangements requiring bidirectional axial support need a second bearing mounted in opposition. The X-life execution provides increased load ratings and rigidity compared to standard versions of the same envelope dimensions.