Sealed and lubricated roller bearing i.e. grooved ball bearing, for use in lubricant system that is utilized in motor vehicle, has rings exhibiting internal contour and/or external contour that is adjusted between body races and front sides

摘要

The bearing (1), has inner and external rings (2, 3) forming rolling body races (4, 5) for a rolling body (6) that is positioned in an roller bearing cage. The inner and external rings exhibit an internal contour (18) and/or an external contour (19), where the external contour is adjusted between the rolling body races and front sides (10, 11) of the bearing. The internal contour and/or the external contour runs under an inclination angle (alpha) that is less than 20 degrees. A separate construction unit is made of plastic or steel sheet.