This angular contact ball bearing carries axial loads in a single direction, with contact angle geometry positioning the balls to transfer thrust along the shaft axis. Bore diameter is 50.0 mm, outside diameter 100.0 mm, width 20.0 mm, and net mass 0.75 kg. The cage is of standard design, and the bearing has no mounting screw arrangement, meaning axial positioning must be secured through the surrounding housing and shaft assembly. The bearing is supplied without sealing, so lubrication and contamination protection must be provided externally through the housing design. Without integrated seals, it is suited for applications where clean running conditions can be maintained or where the mounting arrangement itself offers sufficient protection. The standard cage supports typical operating speeds for this bearing size, and the single-direction axial contact design requires load to be applied consistently in one direction to maintain proper preload and running accuracy.