Assembling method of bearing unit

摘要

There is provided an assembling method of a bearing unit the bearing (11) having an outer ring (13) and a retainer plate (12) having a retainer hole for holding the outer ring. The assembling method comprises: pressing a plurality of portions (18) in a circumferential direction of a circumferential edge of an inner circumferential portion of the retainer hole of the retainer plate, in an axial direction, so as to form engagement pawls (21) and moving the engagement pawls of the retainer plate from one axial end of the outer ring to an engagement groove (19) formed on an outer circumferential surface of the outer ring, so as to engage the engagement pawls of the retainer plate with the engagement groove of outer ring.