Abstract: This invention relates to a bearing enabling a shaft to be pivotally mounted, constituted by a bearing body and by two half-bearings, the first half-bearing being fast with the bearing body, while the second half-bearing is mounted to slide in said body in a direction perpendicular to the plane defining the first half-bearing and a means for returning this second half-bearing into the configuration of effective holding of the shaft is interposed between said second half-bearing and the bearing body. The bearing surface of the second half-bearing is provided with a friction lining. One application of the present invention is the production of a cardan suspension in a grab bucket.