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					Originally Posted by  JFP in PA
					 
				 
				Jake actually tested what would happen if the oil feed failed by disconnecting and plugging the line, the answer after a prolonged period of running was “nothing”. Oil feed cools and prolongs the life of the plain bearings, but the splash oil mist seems to do a pretty good job in the short term. 
			
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Actually the oil film is mostly provided as the shaft is submerged in oil, mist and splashed oil would not be enough to keep a plain bearing alive for too long.