Sliding member

A sliding member comprising a sliding layer,

• wherein the sliding layer contains a synthetic resin, a solid lubricant, and an additive,
• the synthetic resin is polyimide, polyamide-imide, polybenzimidazole, polyphenyl sulfone, polyether sulfone, polyether ether ketone, or a combination thereof,
• the solid lubricant is polytetrafluoroethylene, a tetrafluoroethylene-perfluoroalkoxyethylene copolymer, molybdenum disulfide, a tetrafluoroethylene-hexafluoropropylene copolymer, or a combination thereof,
• a content of the solid lubricant in the sliding layer is 5.0 vol % to 40.0 vol %,
• the additive is bentonite, a smectite clay mineral, silica, polyamide, or a combination thereof, and
• a content of the additive in the sliding layer is 0.1 vol % to 9.0 vol %
• wherein a skewness Ssk of a surface of the sliding layer is-0.10 or more, and
• a level difference Sk of a core of the surface of the sliding layer is 2.5 μm or less.