Bill (and Paul)
Those bearings are a bit older. Probably in BMC packaging?
8G2426 is the part number for connecting rod bearings for MGB 5 Main
bearing engines as shown in an older BMC MGB parts catalog
AKD3547. An old Vandervell book with the striped cover confirms the
12H 1505 as well. Vandervell part number is VP91173. And yes, they
are Standard. The only explanation for the BMC part number change is
that Vandervell appears to have changed from the earlier VP3 material
to VP2 while keeping their same part number VP91173. The 12H1505 is
the BMC part number for the individual shell as is the Vandervell
reference 4931
Not significant for your purposes. They are just an older
set of bearings. Probably from the mid to late 60's.
Peter C
===
At 09:36 AM 12/3/2007, Paul Hunt wrote:
>FWIW neither of those part numbers (8G 2426 or 12H 1505) are listed in the
>Parts Catalogue. The 5 bearing big ends are listed as 8G 2664 with suffixes
>of 10, 20, 30 and 40 for undersize. Lots of Google references for past eBay
>listings of that number for MGB though.
>
>PaulH.
>
>----- Original Message -----
> > Can someone please confirm what size (and for what application) these
> > Con Rod Bearings are?
> >
> > The box is labeled;
> > 8G 2426 STD.
> > CON ROD BRG.
> > A70 VP. OTY. 1 SET
> >
> > The bearings are stamped on their backs 12H 1505 on one end and 4931 on
> > the other.
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