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What is the purpose of engine bearings?

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Old Aug 21, 2005 | 04:40 PM
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Default What is the purpose of engine bearings?

What purpose do the engine bearings serve? What is the purpose of bearings in general? Why/How do they spin?
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Old Aug 21, 2005 | 04:45 PM
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Default Re: What is the purpose of engine bearings? (precisionelite)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by precisionelite &raquo;</TD></TR><TR><TD CLASS="quote">What purpose do the engine bearings serve? What is the purpose of bearings in general? Why/How do they spin?</TD></TR></TABLE>

http://science.howstuffworks.com/bearing.htm

Honda-Tech is not the only site on the internet.
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Old Aug 21, 2005 | 04:59 PM
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Default Re: What is the purpose of engine bearings? (Tim2179)

Thank you Tim. So they provide a smooth surface for the crank to spin on, in the case of crank bearings. That makes sense, but i heard they have something to do w/oil distribution to the crank.
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Old Aug 22, 2005 | 10:37 AM
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Default Re: What is the purpose of engine bearings? (precisionelite)

Oil goes under pressure to all the bearings. So if one bearing is really loose, it takes way too much oil & that lowers the oil pressure to all the others.

It's not so much that the bearings "control" the oil pressure or distribution, but a bad bearing can screw it up.
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