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post #44 of (permalink) Old 03-27-2015, 12:52 PM
8051
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Quote:
Originally Posted by doyll View Post

There is nothing the matter with sleeve bearings. Most internal combustion engines use similar bearings.

I have some TY-140 fans that have been in use for a long long time pretty much running 24/7 .. I think about 6 years now. They are still as quiet as they were to start with.

The crankshaft bearings in a V8 have oil being forced into their
bearing surfaces under high pressure, a fan sleeve bearing
doesn't.

Many internal combustion engines don't use rod bearings, single
cylinder engines and V-twins commonly use needle bearings.

I've also read sleeve bearing fans don't work well in horizontal
mountings.
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