A bearing includes a bushing having an axis and a retainer supporting the bushing. The retainer includes an annular planar portion extending perpendicular to the axis and a plurality of wedge portions projecting radially outward from the annular planar portion in circumferentially spaced relation....http://www.google.de/patents/US5964536?utm_source=gb-gplus-sharePatent US5964536 - Bearing for a vehicle steering column
