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P.Ramesh
P.Ramesh is offline
#12
Mar16-07, 10:24 AM
P: 53
similar to those frictionless bearing, FOIL type bearing are into use where rpm of 3,000,000 to 3,500,000 involed. like turbo-charger of an automobile.

http://en.wikipedia.org/wiki/Foil_bearing

I have not come across magnetic type in practise.