Extruded oil film damper and rotating machine

An extruded oil film damper and a rotating machine are provided. The extruded oil film damper includes: an inner member that supports a bearing portion; an outer member arranged on the outer peripheral side of the inner member so as to face the inner member with a gap extending in the circumferential direction; a perforated member which is arranged in the gap and has a plurality of communication holes communicating the first region in the radial direction inside the gap with the second region in the radial direction outside the gap; and an oil supply path for supplying oil to the first region. 一种挤压油膜阻尼器以及旋转机械。该挤压油膜阻尼器具备：内侧构件，其支承轴承部；外侧构件，其以与上述内侧构件隔着沿周向延伸的间隙对置的方式设置于内侧构件的外周侧；有孔构件，其设置于上述间隙中，具有多个将该间隙中的径向内侧的第一区域与该间隙中的径向外侧的第二区域连通的连通孔；以及供油路，其用于向第一区域供给油。