Plastic roller bearing cage for an angular contact ball bearings and angular contact ball bearings

A plastic rolling bearing cage (1), namely, angular contact ball bearing cage comprises two cage rings (2, 6) having a diameter different from each other, namely a smaller cage ring (2) and a larger cage ring (6) on. A plurality for receiving in each case one rolling body, namely, a ball, formed cage pockets (4) through the cage rings (2, 6) and formed by connecting these cage webs (3). The cage rings (2, 6) are formed in one piece with the cage bars (3) and containing solid lubricant. The relationship between the cube of the measured width in the axial direction (BKi, BKA) of the cage ring (2, 6) and the cage pocket diameter (DW) is at least 0.4 mm