| 摘要 |
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 part and having the shaft end on the one axial direction side crimped on the end face of the one axial direction side thereof, the inner ring having a step portion on the one axial direction side of the shoulder portion, and the step portion having an inclined surface shape the diameter of which expands in the other axial direction. |
