Vibration control bush

A vibration control bush comprising

• a rubber elastic body configured as a component of any one of a vibration source side and a support side, the vibration control bush being interposed between a pair of washers in a fastening structure,
• wherein the fastening structure includes a fastened component having a through-hole, a cylindrical tubular member being inserted into the through-hole in the fastened component, a pair of the washers being disposed on both end sides in an axis direction of the tubular member, and a bolt and a nut being fastened to one another with the pair of washers sandwiched therebetween,
• wherein the vibration control bush is formed in a cylindrical shape including a main body portion and an inserted portion, the main body portion is compressed between the fastened component and the washer during the fastening of the bolt and the nut, and the inserted portion is inserted into the through-hole,
• the main body portion has a first end surface and a second end surface, the first end surface is positioned on the washer side in an axis direction, and the second end surface is on a side opposite to the first end surface,
• a plurality of projecting portions arranged in a circumferential direction are formed in at least one of the first end surface and the second end surface, and
• a thickness dimension in a radial direction of the main body portion in a region overlapping with the projecting portion in the axis direction is formed thinner than a thickness dimension in another region.