This ball point loading has nothing to do with engine fluid bearings and little to do with piston to cylinder interface lubrication.

In order to understand why it might help to read this link........
http://www.roymech.co.uk/Useful_Tables/Tribology/Liquid_Lubrication.htm


and ....if you don't find it in the on page links,
http://lubricants.s5.com/

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