US Patent 11181148 Composite bearing and method of making and using the same

An assembly including an inner member; an outer member; and a bearing including a bearing sidewall including a flat portion, a first convex axial end, and a second convex axial end, where at least one of the inner member or the outer member is adapted to axially translate relative to the bearing, and where at least one of the first convex axial end or the second convex axial end is adapted to induce formation of a film on the bearing sidewall during the axial translation of at least one of the inner member or the outer member.