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Quote:
Originally Posted by rotorwrench
In the suffix, "B" would indicate .010" under size. The "2" in that suffix would be an engineering change but that won't change the size. My books don't cover the -B2 suffix bearing part number and it's a 1953 edition.
It may just be that the later stuff was out sourced and made by different manufacturers.
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Thanks rotorwrench, that explains it all