Ball bearing units (Y-bearing units)
Ball bearing units (Y-bearing units) Conventional SKF ball bearing units consist of: an insert bearing (Y-bearing) which is based on a single row deep groove ball bearing with a sphered (convex) outside surface and an extended inner ring (fig. 1) a housing, which has a correspondingly sphered but concave bore (fig. 2). fig. 1 fig. 2 Ball bearing units