
11-25-2007
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Senior Member
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Join Date: Sep 2006
Posts: 2,112
Rep Power: 6
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general interest... bearing design...
Since I am interested in engines, here is a wee article on journal bearing design. The vast majority of our boat motors will have this design...
http://www.reliabilitydirect.com/appnotes/jb.html
I did not know about "oil whirl".
Here is one on roller bearings... more often seen on motorcycles and outboard motors than our diesel engines....
http://en.wikipedia.org/wiki/Roller_bearing
I have always been amazed as to how they get by on so little lubrication, particularly needle roller bearings. I have an old two-cycle motor than runs and runs.
So, next time you have to strip your engine, and you encounter the inevitable bearings, spare a thought for the engineers that had to design them, and those that chose them for your motor.
Rockter.
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