A head restraint assembly including a headrest including an inner member, a seat back including an outer member, and a bearing disposed between the inner member and the outer member, the bearing including at least one leaf spring adapted to bias the inner member, where the leaf spring includes a substrate and a low friction layer overlying the substrate, where the leaf spring includes an inner portion and a plurality of outer portions, where the outer portions include end portions of the leaf spring that are folded over such that the outer portions overlie the inner portion, forming a folded edge, where the headrest is adapted to translate with respect to the seat back, and where the seat back is adapted to receive the headrest such that the headrest is height adjustable relative to a seat back.