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Home arrow VMCA Newsletters arrow Volume 4, Number 1 - January 1, 2007 arrow Ball and Roller Bearing Crankshafts
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Written by BMWVMCA NEWS   
Wednesday, 06 August 2008

Ball and Roller Bearing Crankshafts

Richard,

Happy New Year!

I have an idea for 2 articles. The first is about the ball vs. barrel bearing for crankshafts. The one aspect that no one seems to touch on, is the R27 has a ball bearing crank. Big deal... some people might say, yes it is. The R27 has the highest redline of any BMW of this era and the highest output per liter of displacement. The second aspect is other motorcycle engines of that era had ball bearing cranks.  What kind of bearing specs did they run? Did they filter their oil? What was their redline? Horsepower?

Steve Szelesty


Steve,

I’ll give this a shot!
Kind Regards,
Richard


Last Updated ( Monday, 08 June 2009 )
 
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