Many County brand bearings are reboxed King bearings, made in Israel.
The King ones are very good quality and we use them widely in race &
street engines as they have a hardened steel backing. Readily available
in USA and we are a King re-seller here in Australia.
I would use them over old copper-lead bearings any day, as they offer
all the advantages of a modern alecular bearing, with the hardened steel
back to reduce the risk of hammer failure.
There are quite a few similar bearings, and yes, B series BMC is one of
them.
Terry O'Beirne
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