Patent ID: 7481582

Claim:
A bearing device comprising: a bush; a pin inserted into said bush, said pin fixed at end portions of said pin, said pin having a center S on an outer peripheral face thereof and a pin axial center therein, said center S located at a direction opposed to a traveling direction X; wherein said bush and said pin are relatively rockable, and said rocking forms a slidable range in which an outer peripheral face of said pin and an inner peripheral face of said bush partially and slidably contact each other; a first oil reservoir and a second oil reservoir formed on said outer peripheral face of said pin and elongated along a pin axial center direction, having an interval between them such that a range of said interval is set not more than a center angle of 40 degrees centering on said pin axial center, wherein no other oil reservoirs are formed on the face of said pin; wherein said first and second oil reservoirs are rocked centering on the center S of said pin.