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Yukon Gear also sells quality sets with the solid spacer too.

Thanks Joe........

I went and dug through the file on the 72. In the last 2 years I have used All Powersports Drivetrain, user id 7079rp and Trendsauto.
All powersports sold the spacer separate. The invoice dated in 2018 was $69 for bearings and the spacer kit. I purchased 8.8 parts from Trendsauto. The parts were similar in both kits. It looks to me like Timken and Koyo are the 2 most common bearings used in the kits. The 9" kit was for a 28 spline rear with the 2.891 bearing.

OK, Thanks..

There's more than 1 size of bearings in case you were unaware of that fact. I've been buying those listed with Timken bearings and a solid crush sleeve on ebay. I have better long term results with the solid spacer and shims instead of using the crush sleeve.

Yeah, I know there are more than one style.  I just figured some bearing supplier would have a cross over that would tell him what bearing set you would be for a specific rear end setup.  You say you have been using a seller on eBay.  I do like the solid pacer over the crush sleeve.  Any particular seller?

Is there a place that sells a "Bearing Kit" for a Ford 9" rear axle assembly?  I want to O'haul this 3:70, 9" I have but I'd like to get all the bearings from the same place.  Has anyone had dealings with a supplier that is dependable?

Yeah...I have all of that, I think there are 10 pages of the years I'm interested in.
Thanks for all your input.  When this "Laura" leaves here I'' pull the pumpkin and
see what is in there.

I'm using the tag as an example. From 1960 to 1970, the 1st digit is the year, the alphabet letters were month and date according to the info I found. If your tag is the same layout, that should be correct.

The series of tags I have seen have the ring gear size right after the ratio,
which would be the second entry on the second line, again, right after the ratio.....

1968, March 3rd, is what I think it is.

Thats an 8" housing in the picture.  However, with the WDC-AT model Number,
it's a 9" from a ford passenger car from '66 to '69. or a Mercury '66-'67, or
a'67 T-bird.  It's a 3:00 ratio open, 28 spline.

If you can reach the bottom carrier bolt with a socket, it's an 8" carrier. If you can not, it's a 9" carrier.

No it's a 9" housing for sure. Box end only.. It still doesn't explain the 8 CC for the ring gear size on the production tag

I took a picture of the tag, but I have forgotten how
to reduce the size to post it.  I tried but it got kicked out.

Did the zeros not get stamped properly and it's an 8 inch????

If it's an 8" it has been changed, and I'm not sure you can put an 8" gear on a 9" carrier.  Everything points to a 9" with 28 spline axles in an F-100 PU.  I just looked again, it is definately an 8 CC the "C'S" are very pronounced.  I'll know for sure when I open it up.  Gotta wait till Laura passes over.  Looks like it is going right up the Sabine river....My backyard.

This is a different series from what I have.  My gear size on the tag is listed as 8CC?????  Everything points to a 9".  Like I said my gear ratio code is WDM-U, which is an open 3:70.  Where your tag example shows the Plant where produced my tag series shows Vehicle and ratio.  I have not seen a code tag like yours.  Must be late model stuff.  I want to know what 8CC on my tag stands for.

I picked up a Ford 9" about a week ago, and I'm confused about the Tag description.  I have not stripped it yet, only took off the brake drums.  The tag has the 2 lines of stamped code.

The first line has  WDM-U, which shows to belong to a Ford F-100 '63-'76.
Second line reads 3.70 Which is an open 3:70 gear, Where it should show 9 for a 9 inch, it has 8 CC the last 3 numbers is the date code 3-0-2.  I have a couple others that have 8 00 for the 8 inch gear, and one that is 8.7, which is the 8.75 inch.  I just don't understand the 8CC on this one.

Dusty  I seen that show last weekend I think. I am pretty sure they said it was self etching primer.

Mike

I missed that part I guess.  It's bound to be "Self Etching" but they called it something else.  
Since then I have found several different primers that finish up with a green color and the same results.
I just "Googled" up the color green primer and several came up.  TNX for your interest.

I found this:
https://www.chevydiy.com/history-and-identification-of-chevy-10-and-12-bolt-chevy-differentials/

I have that article, and I have the book they are referring to,
but I still wasn't clear in how to do it.  Frank came to the
rescue again.  I had completely forgotten about the spacer.

Thanks KB426

You can do it with a ring gear spacer.

I thought that back in the day you could ad spacer.
I haven't heard of anyone doing it lately.  Seems
like alot of things I used to know are hung up
on my Floppy Disc somewhere.  

Thanks Frank