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Re: NAPA SKF-21771 rear bearing seal fails the 0.25" test [message #318156 is a reply to message #318141]

Mon, 29 May 2017 15:09

RF_Burns

Messages: 2277
Registered: June 2008
Location: S. Ontario, Canada

Karma:

Senior Member

Pete,
Its the distance from the inner face of the metal ring of the seal, to the seal itself. It should be 0.26", below are some photos.

http://www.gmcmhphotos.com/photos/rear-axle-seals-skf21771/p36362-inside-measure.html

http://www.gmcmhphotos.com/photos/rear-axle-seals-skf21771/p36356-says-made-in-the-usa.html

http://www.gmcmhphotos.com/photos/rear-axle-seals-skf21771/p36367-stralian-test-must-slide-under-rubber-lip-rob.html

http://www.gmcmhphotos.com/photos/rear-axle-seals-skf21771/p36372-new-bad-timken-rear-wheel-bearing-seal.html

Apparently seals are being made in which the rubber of the seal is too close to the inner bearing and damages it... letting the grease out.

Bruce Hislop
ON Canada
77PB, 455 Dick P. rebuilt, DynamicEFI EBL EFI & ESC.
1 ton front end
http://www.gmcmhphotos.com/photos/showphoto.php?photo=29001
My Staff says I never listen to them, or something like that

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[Message index]

		NAPA SKF-21771 rear bearing seal fails the 0.25" test By: RF_Burns on Mon, 29 May 2017 11:52
		Re: NAPA SKF-21771 rear bearing seal fails the 0.25" test By: A Hamilto on Mon, 29 May 2017 12:04
		Re: NAPA SKF-21771 rear bearing seal fails the 0.25" test By: RF_Burns on Mon, 29 May 2017 12:12
		Re: NAPA SKF-21771 rear bearing seal fails the 0.25" test By: thesmith on Mon, 29 May 2017 14:56
		Re: NAPA SKF-21771 rear bearing seal fails the 0.25" test By: RF_Burns on Mon, 29 May 2017 15:09
		Re: NAPA SKF-21771 rear bearing seal fails the 0.25" test By: ree_eric on Mon, 29 May 2017 17:35
		Re: [GMCnet] NAPA SKF-21771 rear bearing seal fails the 0.25" test By: Ken Henderson on Mon, 29 May 2017 16:36
		Re: [GMCnet] NAPA SKF-21771 rear bearing seal fails the 0.25" test By: James Hupy on Mon, 29 May 2017 16:51
		Re: [GMCnet] NAPA SKF-21771 rear bearing seal fails the 0.25" test By: Ken Henderson on Mon, 29 May 2017 21:47
		Re: [GMCnet] NAPA SKF-21771 rear bearing seal fails the 0.25" test By: richshoop on Mon, 29 May 2017 22:14
		Re: [GMCnet] NAPA SKF-21771 rear bearing seal fails the 0.25" test By: Richard RV on Fri, 20 April 2018 15:20
		Re: [GMCnet] NAPA SKF-21771 rear bearing seal fails the 0.25" test By: James Hupy on Fri, 20 April 2018 19:06
		Re: [GMCnet] NAPA SKF-21771 rear bearing seal fails the 0.25" test By: Jp Benson on Tue, 30 May 2017 09:22
		Re: NAPA SKF-21771 rear bearing seal fails the 0.25" test By: JohnL455 on Tue, 30 May 2017 08:19
		Re: [GMCnet] NAPA SKF-21771 rear bearing seal fails the 0.25" test By: Ken Henderson on Tue, 30 May 2017 08:37
		Re: [GMCnet] NAPA SKF-21771 rear bearing seal fails the 0.25" test By: Richard RV on Thu, 19 April 2018 23:19
		Re: [GMCnet] NAPA SKF-21771 rear bearing seal fails the 0.25" test By: Ken Henderson on Fri, 20 April 2018 08:32
		Re: [GMCnet] NAPA SKF-21771 rear bearing seal fails the 0.25" test By: powwerjon on Fri, 20 April 2018 10:49
		Re: [GMCnet] NAPA SKF-21771 rear bearing seal fails the 0.25" test By: USAussie on Fri, 20 April 2018 10:53
		Re: [GMCnet] NAPA SKF-21771 rear bearing seal fails the 0.25" test By: Mr ERFisher on Fri, 20 April 2018 13:39
		Re: [GMCnet] NAPA SKF-21771 rear bearing seal fails the 0.25" test By: Richard RV on Fri, 20 April 2018 14:39
		Re: [GMCnet] NAPA SKF-21771 rear bearing seal fails the 0.25" test By: Ken Burton on Fri, 20 April 2018 20:10
		Re: NAPA SKF-21771 rear bearing seal fails the 0.25" test By: RF_Burns on Fri, 20 April 2018 07:15
		Re: [GMCnet] NAPA SKF-21771 rear bearing seal fails the 0.25" test By: USAussie on Fri, 20 April 2018 09:10
		Re: [GMCnet] NAPA SKF-21771 rear bearing seal fails the 0.25" test By: Richard RV on Fri, 20 April 2018 14:48
		Re: [GMCnet] NAPA SKF-21771 rear bearing seal fails the 0.25" test By: USAussie on Sat, 21 April 2018 12:27
		Re: NAPA SKF-21771 rear bearing seal fails the 0.25" test By: jhbridges on Fri, 20 April 2018 07:44

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