The rolling bearing unit includes an outer ring, an inner shaft disposed radially inward of the outer ring and having an inner ring fitting part on the outer peripheral surface on the one axial direction side, an inner ring fitted on the inner ring fitting...

An inner ring 3 is fit to a stepped part 8 formed on the inner end of a hub 2b. A desired pre-load is applied to rolling elements 5 in a state that an outer end face 28 of the inner ring 3 is butted against a step surface 12 formed on the hub 2b. The inner...

An inner ring (3) is fit to a stepped part (8) formed on the inner end of a hub (2b). A desired pre-load is applied to rolling elements (5) in a state that an outer end face (28) of the inner ring (3) is butted against a step surface (12) formed on the hub...