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4. BEARING LUBRICATION The correct bearing lubrication has a direct infl uence on the bearing life. Lubricant creates between the rolling ele-ment and bearing ring a carrying lubricating fi lm which hinders their metal contact. It lubricates surfaces where fric-tion arises, it has cooling effect, it protects the bearing from corrosion and in many cases seals the bearing space. In the most ca