[Fot] checking bearing clearances

riverside riverside at cedar-rapids.net
Fri Feb 1 13:15:39 MST 2008


Once upon a time,  I laid -check that- installed a
reground crank with nice new  standard bearings that checked
out fine with plastigauge if a bit on the loose side.
 you could barely turn the crank by hand.
bought a set of bearings from another manufacturer (.001 undersize)
and installed same.  plastigauged snugger as one would expect,
but crank turned freely now.
i bought a set of modestly priced micrometers and bore gauges from
Enco and measured everything.  The first set of bearings were
junk across the parting lines where the plastic could not go.
Haven't used the stuff since and don't plan on it.

art de armond



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