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Old 08-01-2018, 09:37 PM   #1
47Merc
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Smile 1940 Diff / brake drum help needed

I have been searching the main parts vendors for the outer bearing shell
(race?) that fits into the rear brake drum on a 40 ford. The bearing #68-1225 fits inside this shell and I haven't been able to find a supplier for this part.
Can anyone tell me where I might find one or give me a part number so I can check the bearing suppliers. Also looking for a bit of advice as to how to remove the old one. The only thing I can think of is to use a slide hammer but I think it may take some heavy wacking. Thats assuming I can find a new one to replace it.
thanks
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Old 08-01-2018, 09:39 PM   #2
alanwoodieman
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Default Re: 1940 Diff / brake drum help needed

try barnfind08 on this forum he has a lot of NOS parts
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Old 08-01-2018, 11:42 PM   #3
Ken/Alabama
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Default Re: 1940 Diff / brake drum help needed

Easier to find another hub.
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Old 08-02-2018, 01:36 AM   #4
47Merc
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Default Re: 1940 Diff / brake drum help needed

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Easier to find another hub.

You are probably right Ken but not where I live in Australia.
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Old 08-02-2018, 03:50 AM   #5
35ragtop
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Default Re: 1940 Diff / brake drum help needed

I would love to know how to get the old one out without damaging the drum?
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Old 08-02-2018, 06:45 AM   #6
barnfind08
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Default Re: 1940 Diff / brake drum help needed

I have those nos.
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Old 08-02-2018, 06:46 AM   #7
Terry,OH
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Default Re: 1940 Diff / brake drum help needed

On the 40 I don't think the race is removable. It is machined into the hub. It is replaceable on some of the 36-8.
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Old 08-02-2018, 06:57 AM   #8
RobR'35
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Default Re: 1940 Diff / brake drum help needed

If it is a removable race. Make sure!
A way that works is to run a bead of weld on the race surface. It'll shrink the race and it will come out much easier.
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Old 08-02-2018, 08:04 AM   #9
barnfind08
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Default Re: 1940 Diff / brake drum help needed

47 merc probably has a Canadian rear drum from the war which mostly used b-1225 brgs. Later when the 68- brgs were the common brg they made a 68-1236 sleeve for the later brg that slid into the b-1225 cavity.
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Old 08-02-2018, 08:41 AM   #10
deuce lover
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Default Re: 1940 Diff / brake drum help needed

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Originally Posted by 35ragtop View Post
I would love to know how to get the old one out without damaging the drum?

I have removed stubborn races by taking a Mig welder and run a bead on the surface where the bearing rides.It should almost fall out.I did it on a 77 F100 rear axle bearing race and it worked.
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Old 08-02-2018, 11:18 AM   #11
russcc
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Default Re: 1940 Diff / brake drum help needed

You can't beat the parts knowledge of Fred Wilner at SSO, plus the fact he has the parts.
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