Re: Could someone post what they know about ball bearing turbos? nm - Saab Performance Bulletin Board - Saabnet.com
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Re: Could someone post what they know about ball bearing turbos? nm
Posted by dave n (more from dave n) on Fri, 19 Oct 2001 21:11:55
In Reply to: Could someone post what they know about ball bearing turbos? nm, Saabulba, Fri, 19 Oct 2001 13:05:19
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the turbo uses Turbonetics-exclusive ball bearing center section. This center section has a ceramic, angular contact,
cartridge-type ball bearing to handle thrust and rotational loads as opposed to the traditional sleeve-type bearing that most
typical turbochargers use. The ball bearing center section has far less viscous drag than the old-school sleeve bearings and
can handle more thrust load than the OEM thrust washer bearings used on off-the-shelf Garret turbos. Thrust bearing wear
is the Achilles heel of a performance turbocharger, causing most failures. The ball bearing can take up to 50 times more
thrust load and usually has a life expectancy at least three times longer. The reduction in viscous drag and friction of the ball
bearing center section can reduce turbo lag by 500-700 rpm in itself.
posted by 24.252.2...
http://www.se-r.net/about/200sx/scc/feb99/turbo.html
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