In a plain bearing material consisting of a steel backing layer and a clad layer of an aluminium bearing material comprising finely distributed Sn in an Al-Cu matrix, the novelty is that the plain bearing material is heat treated for 2-12 hrs. at 200-220 degrees C., and the aluminium bearing material has the compsn. (by wt.) 14-18% Sn, 1.7-2.3% Cu and balance Al.
