FIELD: mechanical engineering. SUBSTANCE: bearing has covering layer which is applied by cathode spraying. Covering layer may be made in form of aluminium matrix containing dispersed phase of tin and may have relatively low content of tin near the substrate interface which rises to relatively high level at the surface. Surface may be essentially a layer of pure tin which acts as protective covering layer during initial operation of bearing. EFFECT: enhanced reliability. 15 cl, 3 dwg
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