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Bearing size question for forged crank
https://slantsix.org/forum/viewtopic.php?t=27782
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Author:  gmader [ Tue Mar 11, 2008 8:44 pm ]
Post subject:  Bearing size question for forged crank

Hi all,

Based on the markings on the mains and rod bearings below, I am guessing that the forged crank I have was ground .010 prior to me getting it. Is this correct?

Rod Bearing markings:
FM
2375 RA
010 US
DX

Main Bearing markings:
FM
23776A
US 0-010

Thrust Bearing markings:
FM
2378SA
U-010
GO

Author:  Doctor Dodge [ Tue Mar 11, 2008 10:38 pm ]
Post subject: 

The marking sure look like the bearings are .010 undersize.
What does your micrometer or caliper read?

Author:  gmader [ Wed Mar 12, 2008 6:34 am ]
Post subject: 

The caliper measurements are my next step. I have a couple of crappy calipers, so I gotta be careful with my measurements.

Author:  gmader [ Wed Mar 12, 2008 8:38 am ]
Post subject: 

Your instincts were right, Doc. I mic'ed the crank, and it was .010 under.

Thanks
Greg

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