To provide a bearing for a con-rod capable of having superior lubricating property and also preventing wear and damage of a retainer and also having no directional limitation to an inserting direction and good inserting property.

The shell-type roller bearing for the con-rod is comprised of a plurality of rollers 5, and a cylinder-shaped outer ring 6 accommodating the rollers 5. A flanged portion 8 folded back to an inner diameter side is arranged at an end portion of the outer ring 6. The flanged portion 8 is folded back so as to tightly stick on the surface of the inner diameter of the cylinder portion of the outer ring 6.