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wheels 6061 days ago

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 Machine design need help.
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Posted on 04-06-08 12:18 AM     Reply [Subscribe]
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I am trying to rotate 60" long shaft of dia 4" made of SST 630 need to rotate at 60 rpm. If the shaft is resting on a bearing at both the ends, which formula do I use to calculate the power required to rotate this shaft consdering self load of shaft and overcome the friction of bearing.
 
Posted on 04-06-08 7:58 PM     Reply [Subscribe]
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This is supposed to be someting done in 3rd year of under grad. in mechanical engineering?

any help?
 

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