US Patent 11053975 Sliding component

In an exemplary embodiment, a pair of sliding components has annular sliding surfaces that slide with respect to each other in which plural dimples 10 are arranged on at least sliding surface S on one side, wherein the plural dimples 10 are randomly arranged to form a random dimple group 11, and the dimples 10 are arranged in a manner that a radial-direction coordinate average of centers of the dimples 10 of the random dimple group 11 is smaller than a sliding radius 15 of the sliding surface S.