| Re: [GMCnet] NAPA SKF-21771 rear bearing seal fails the 0.25" test [message #331158 is a reply to message #331154] |
Fri, 20 April 2018 19:06   |
James Hupy
Messages: 6806
Registered: May 2010
Karma:
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Senior Member |
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I have noticed quite a bit of difference in the shoulders on different
spindles. Some protrude towards the threaded end more than others do. That
would place the shoulder close to the seal in some situations. And would be
the reason for interference in some situations.
Jim Hupy
Salem, Or
78 GMC ROYALE 403
On Fri, Apr 20, 2018, 1:20 PM Richard wrote:
> richshoop wrote on Mon, 29 May 2017 23:14
>> I will call SKF tomorrow and get a dim drawing. Pass it along to the
> group. It is possible that SKF changed their internal spacing, as all the
>> information in their seal catalog describes only applications where the
> seal is treated as a stand alone assembly, and not as a part (of a larger
>> assembly). I'll turn a few seal installation tools, this weekend.
>
>
> Rich,
> I called SKF yesterday and the tech rep, while helpful, was unable to
> provide information on their seal's designed clearance, or a measured
> drawing,
> so there's no way of knowing if recent SKF seals' failure to meet our
> clearance criteria is by design.
>
> If you could get more information from SKF I'd love to see a dimensioned
> drawing.
>
> Richard
>
> --
> '77 Birchaven TZE...777
>
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