Pump bearing heating causes and treatment methods are as follows: (1) The scraping and grinding of bearing tiles is not required. The treatment is to repair the bearing tile or replace it. (2) For gear oil pump bearing clearance is too sma

Sf50 steel is enough for oil pump bearings as far as non-corrosive conveying medium is concerned. But when the jacket and green silver impeller are used, corrosion resistant materials or at least rust resistant materials are often used to