WEAR RESISTANCE OF POLYFORMALDEHYDE IN SLEEVE BEARINGS,
FOREIGN TECHNOLOGY DIV WRIGHT-PATTERSON AFB OHIO
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Tests showed, that sleeve bearings made of PFA are 3-4 times more wear resistant than caprone bearings, and 1.5 to 2 times than ceramet bushings and bearings. PFA bearings retain stability of dimensions and assure reliable operation of friction units.