| inherited40tudor | -- 02-23-2015 @ 9:17 PM |
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Can anyone here help with this info? I'm trying to match (cross-reference) some rod bearings for my engine. The reference numbers I've found state that the bearings are to replace Ford bearing part # 81A-6211-A5. In the Ford book I have, I only see # 81A-6211-A, -C, -F, -M, -Q, -V, and -KK (not A5). Another bearing references to Ford part # 81A-6211-A2, which makes me wonder; is there a difference between the -A2 and -A5 designation? If so, what do the numbers mean? Thanks in advance for your help!
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| kubes40 | -- 02-24-2015 @ 5:56 AM |
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The suffix letter designates a change in design. In the case of bearings I am guessing it only equates to the size. In other words, the same "basic" bearing, only oversize by "x" amount. Ford only changed this letter when the design change made the part NON-interchangeable with the previous design. The suffix number was used to indicate a different supplier. Now, here's a little something to possibly confuse the issue: The "A" suffix was not always added UNLESS a later design change occurred. There was no need for a suffix if only ONE design existed. Thus, the letter "A" was added when bearings of oversize specifications came to exist. If you have a bearing that is #81A-6211-A2... it is made by an outside supplier and is the standard size. Make sense? The difference between an "A2" and "A5" is the supplier. Size will remain "standard". Oh, one other thing... your parts book may not show all of the numbers in the suffix depending on published (book) date AND who the supplier(s) was when that particular book was printed. For you and I, there is little reason to pay attention to the suffix NUMBER. Hope this helps, Mike "Kube" Kubarth
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