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Plain bearings vs Rolling element bearings

 
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rwahlgren



Joined: 15 Aug 2003
Posts: 139

PostPosted: Sat Sep 23, 2017 01:32    Post subject: Plain bearings vs Rolling element bearings Reply with quote

http://www.machinedesign.com/technologies/plain-bearings-outperform-rolling-element-bearings

And still makes me wonder about Wrights use of roller bearings for the crankshaft mains in the R-3350, and all engine manufactures choice of needle bearings for tappets, and rocker arms.
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dpennings



Joined: 10 Dec 2016
Posts: 8

PostPosted: Mon Dec 10, 2018 15:17    Post subject: Reply with quote

roller bearing save a lot of friction, furthermore, as I learned here, high load plain bearings were developed for flight engines during WWII, before they couldn't handle more loads than roller bearings.
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