Patent ID: 7967512
Filing Date: 2011-06-28
Classification: F16C,Y10S

Abstract:
1. A rolling bearing unit for rotatably supporting a rotation shaft on a housing, comprising: a radial bearing including an outer ring the outer ring including: a retainer plate having a fitting hole formed through a central portion thereof, to which the smaller-diameter step portion is outwardly fitted, and a retaining projection formed on an inner circumferential surface of the fitting hole and a retaining ring of an interrupted ring-shape which is made of a resilient material, and includes a smaller-diameter portion received in the retaining recessed groove in the outer ring, and a larger-diameter retaining portion projecting radially outwardly from an outer circumferential surface of the smaller-diameter step portion of the outer ring; wherein the retainer plate is disposed between the step surface of the outer ring and the larger-diameter retaining portion of the retaining ring so as to rotate relative to the smaller-diameter step portion of the outer ring and so as to prevent the retainer plate from falling off therefrom to the other axial end side.