https://catalog.jinharsh.co.in/index.php?action=history&feed=atom&title=Bearing_modulus 2026-05-03T00:06:30Z Revision history for this page on the wiki MediaWiki 1.35.1 https://catalog.jinharsh.co.in/index.php?title=Bearing_modulus&diff=4966&oldid=prev 2021-04-11T19:42:02Z

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Admin https://catalog.jinharsh.co.in/index.php?title=Bearing_modulus&diff=4965&oldid=prev 2020-11-08T19:36:31Z

<p>Alter: url. URLs might have been internationalized/anonymized. | You can <a href="/index.php?title=WP:UCB&amp;action=edit&amp;redlink=1" class="new" title="WP:UCB (page does not exist)">use this bot</a> yourself. <a href="/index.php?title=WP:DBUG&amp;action=edit&amp;redlink=1" class="new" title="WP:DBUG (page does not exist)">Report bugs here</a>. | Suggested by AManWithNoPlan | All pages linked from cached copy of User:AManWithNoPlan/sandbox2 | via #UCB_webform_linked 2204/3821</p> <p><b>New page</b></p><div>'''Bearing modulus''' is a [[wikt:modulus|modulus]] used in [[Plain bearing|journal bearing]] design. It is a [[Dimensionless quantity|dimensionless number]].&lt;ref name=&quot;2002 - A Text Book of Machine Design - Firewall Media - p 526&quot;&gt;{{cite book|last=Karwa|first=Rajendra|title=A Text Book of Machine Design|publisher=Firewall Media|date=2002|isbn=978-81-7008-833-2|url=https://books.google.com/books?id=08FkBSjG2bMC&amp;q=%22Bearing+modulus%22&amp;pg=PA526|accessdate=2 January 2012}}&lt;/ref&gt;<br /> ==Formula==<br /> Bearing Modulus ('''C''') is C = (Zn/p) where<br /> * Z = oil viscosity<br /> * n = speed of rotation (rpm)<br /> * p = bearing pressure(N/MM2)<br /> <br /> For any given bearing, there is a value for indicated by C, for which the [[coefficient of friction]] is at a minimum. The bearing should not be operated at this value of bearing modulus, since a slight decrease in speed or a slight increase in pressure will make the [[wikt:journal#Noun|part of a shaft or axle that rests on bearings]] operate in partial lubrication state resulting in high friction, heating and wear.<br /> <br /> To prevent this, the average value of Bearing modulus should be<br /> * Zn/p &gt;= 3C<br /> or for large fluctuations and heavy impact loads<br /> * Zn/p = 15C (approx)<br /> <br /> ==References==<br /> {{reflist}}<br /> <br /> <br /> [[Category:Bearings (mechanical)]]</div>

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