An antifriction composite system (1) for a bearing part (2), such as a sliding bearing part, with a metallic backing (3) and a functional coating (4), which comprises a top layer (5) with a friction-reducing effect. The functional coating (4) has an elastomer layer (6) lying directly under the top layer (5). The invention also relates to a bearing part (2) with an antifriction composite system (1) of this type.