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[GMCnet] Rear wheel bearing seals [message #131595]

Thu, 23 June 2011 07:14

Dave

Messages: 32
Registered: March 2004

Karma: 3

Member

I am looking for a manufacturer and part number, or application and
year, for the rear wheel bearing seals. Any help will be appreciated.

Dave
Ann Arbor, MI.
73 Sequoia (26'/455/EbH/RwI/ThH/HEI/TBI/160�/3.42/100A/Q55G)

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Re: [GMCnet] Rear wheel bearing seals [message #131610 is a reply to message #131595]

Thu, 23 June 2011 07:42

Mr ERFisher

Messages: 7117
Registered: August 2005

Karma: 2

Senior Member

here are some data
http://www.gmcmotorhome.info/rear.html#BEARINGS

and of course, jimk, jimb, lenzi

gene

On Thu, Jun 23, 2011 at 5:14 AM, Dave <DaveM@mich.com> wrote:

> I am looking for a manufacturer and part number, or application and
> year, for the rear wheel bearing seals. Any help will be appreciated.
>
>
> Dave
> Ann Arbor, MI.
> 73 Sequoia (26'/455/EbH/RwI/ThH/HEI/TBI/160�/3.42/100A/Q55G)
>
>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
>

--
Gene Fisher -- 74-23,77PB/ore/ca
�Give a man a fish; you have fed him for today --- give him a URL and
-------
http://gmcmotorhome.info/
Alternator Protection Cable
http://gmcmotorhome.info/APC.html
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Re: [GMCnet] Rear wheel bearing seals [message #131639 is a reply to message #131595]

Thu, 23 June 2011 09:30

Matt Colie

Messages: 8547
Registered: March 2007
Location: S.E. Michigan

Karma: 7

Senior Member

Dave wrote on Thu, 23 June 2011 08:14

I am looking for a manufacturer and part number, or application and year, for the rear wheel bearing seals. Any help will be appreciated.

Dave
Ann Arbor, MI.

Dave,

I recently got some of the correct 21771 seals at the NAPA warehouse here on Ecorse Road. When I looked at the slip, they were listed as NOS.

You might try the NAPA on So. Industrial at Jewet (used to be called Woodside several decades gone). If they can't get you the correct part, look me up, when I saw they were right, I bought spares.

Matt

Matt & Mary Colie - Chaumière -'73 Glacier 23 - Members GMCMI, GMCGL, GMCES
Electronically Controlled Quiet Engine Cooling Fan with OE Rear Drum Brakes with Applied Control Arms
SE Michigan - Near DTW - Twixt A2 and Detroit

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Re: [GMCnet] Rear wheel bearing seals [message #131647 is a reply to message #131639]

Thu, 23 June 2011 09:53

USAussie

Messages: 15912
Registered: July 2007
Location: Sydney, Australia

Karma: 6

Senior Member

G'day,

The Napa seals may be packed in an SKF box, when you open the box you may
find CR stamped on the seals - Chicago Rawhide.

To make sure the seals are OK bring something that is 1/4" thick. Take the
seal out of the box an try and put it on the counter with the side you see
when it is installed up. If the 1/4" thick item will slide between the
counter and the seal it's OK or if it barely grazes it the seal is OK. If it
hits the rubber and wants to roll it the seal is bad.

I haven't been following this thread so pardon me if what I've noted above
and the following link has already been provided:

http://www.gmcmhphotos.com/photos/showgallery.php?cat=5621

Regards,
Rob M.
USAussie - Downunder
AUS '75 Avion - The Blue Streak TZE365V100428
USA '75 Avion - Double Trouble TZE365V100426

-----Original Message-----
From: gmclist-bounces@temp.gmcnet.org
[mailto:gmclist-bounces@temp.gmcnet.org] On Behalf Of Matt Colie
Sent: Friday, June 24, 2011 12:30 AM
To: gmclist@temp.gmcnet.org
Subject: Re: [GMCnet] Rear wheel bearing seals

Dave,

I recently got some of the correct 21771 seals at the NAPA warehouse here on
Ecorse Road. When I looked at the slip, they were listed as NOS.

You might try the NAPA on So. Industrial at Jewet (used to be called
Woodside several decades gone). If they can't get you the correct part,
look me up, when I saw they were right, I bought spares.

Matt

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Regards, Rob M. (USAussie) The Pedantic Mechanic Sydney, Australia '75 Avion - AUS - The Blue Streak TZE365V100428 '75 Avion - USA - Double Trouble TZE365V100426

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Re: [GMCnet] Rear wheel bearing seals [message #310520 is a reply to message #131647]

Thu, 17 November 2016 21:12

larry.whisler

Messages: 356
Registered: August 2005

Karma: 8

Senior Member

Netters,

I just received some rear wheel bearing seals that I had purchased on Rockauto.

These were listed on the website as " SKF 21771 " and when I received the seals
they were in 'CR Services' boxes. The boxes also stated that CR Services was
'An SKF Company'.

I thought I would try Rob Mueller's test on them but not having any quarter inch
stock, I measured a stack of 5 dimes to be close. The first two seals passed the test
and then I pulled out the third. This seal was a bit different and would not pass Rob's
test.

All three seals had boxes marked on the end '21771' but there was also a scanner code
label on each box that were all the same except for a code in the upper right hand
corner. For the two correct seals it was 'P32' but for the incorrect seal it was 'O31'.

It was discussed at the Mansfield rally that the SKF 21771 was the correct seal to use
but it appears that it could still be incorrect.

Any other opinions or experiences?

Larry

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Re: [GMCnet] Rear wheel bearing seals [message #310522 is a reply to message #310520]

Thu, 17 November 2016 21:19

James Hupy

Messages: 6806
Registered: May 2010

Karma: -62

Senior Member

Anything made by man is subject to slight production variations. Where the
back of the seal is rolled to guide the seal into place can get rolled in
so far that it will rub on the spindle. Metal shavings enter the lube. Bad
juju.
Jim Hupy
Salem, Or
78 Royale 403

On Nov 17, 2016 7:13 PM, "larry.whisler" wrote:

> Netters,
>
> I just received some rear wheel bearing seals that I had purchased on
> Rockauto.
>
> These were listed on the website as " SKF 21771 " and when I received the
> seals
> they were in 'CR Services' boxes. The boxes also stated that CR Services
> was
> 'An SKF Company'.
>
> I thought I would try Rob Mueller's test on them but not having any
> quarter inch
> stock, I measured a stack of 5 dimes to be close. The first two seals
> passed the test
> and then I pulled out the third. This seal was a bit different and would
> not pass Rob's
> test.
>
> All three seals had boxes marked on the end '21771' but there was also a
> scanner code
> label on each box that were all the same except for a code in the upper
> right hand
> corner. For the two correct seals it was 'P32' but for the incorrect
> seal it was 'O31'.
>
>
> It was discussed at the Mansfield rally that the SKF 21771 was the correct
> seal to use
> but it appears that it could still be incorrect.
>
> Any other opinions or experiences?
>
> Larry
>
>
>
>
>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>
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Re: [GMCnet] Rear wheel bearing seals [message #310523 is a reply to message #310522]

Thu, 17 November 2016 21:50

larry.whisler

Messages: 356
Registered: August 2005

Karma: 8

Senior Member

Sorry, but that's not the case here.

The one that failed the test is definitely different from the other
two. The rubber seal is a slightly different design and the codes
on the scanner label indicates that it was not manufactured as the other
two.

larry

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