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T86-- IS IT Good or Bad, to Use of a SEALED bearing at Input shaft

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  • Transmission / Overdrive: T86-- IS IT Good or Bad, to Use of a SEALED bearing at Input shaft

    hello.. some folks say that a self lubricating sealed bearing wont last long at the input shaft--- IS this true? and Why ?
    Last edited by 63looks59; 12-09-2019, 08:23 PM.

  • #2
    I have removed the seal on many bearings over the years on all kinds of applications , I just did it on the rear bearing in my T-86 , Ed

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    • #3
      Most modern motorcycle wheel bearings are sealed, but do not operate at engine (higher) RPM, as does the T86 input shaft, so not sure that's a good comparison. OTOH, if the bell housing is properly aligned, the OEM bearing is usually good for 100,000 miles, so I have heard. Anyway, if nobody else has tried it, you could be the first. Nothing ventured, nothing gained. Hopefully, you will get back to us in 100,000 miles or so, for a full report.

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      • #4
        Jeep guys fight this holy war all the time. Some people swear by using a sealed bearing and taking off the inner seal so gear lube can get in. Odds are ANYTHING you do will out-last us.
        _______________
        http://stude.vonadatech.com
        https://jeepster.vonadatech.com

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        • #5
          I would take off the inner seal. With more modern lubricants used your grandkids should not have to worry about replacement.
          If you car is ugly then it better be fast.....

          65 2dr sedan
          64 2dr sedan (Pinkie)
          61 V8 Tcab
          63 Tcab 20R powered
          55 Commander Wagon
          54 Champion Wagon
          46 Gibson Model A
          50 JD MC
          45 Agricat
          67 Triumph T100
          66 Bultaco Matadore

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          • #6
            When you put it all back together make sure the input shaft collar is installed with drain dimple aligned with case drain hole.original bearing was open, no shield or seal. the bearing part number will reflect this, IE 307, open brg. 307S seal, 307SS Steel Shield. peruse a bearing catalog when you get a chance, lots of useful info. Luck Doofus

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            • #7
              Sounds like the Jeepers have already broke this ground and, like many things Studebaker, some swear by them and some some don't. Probably do well to do some reading on a few Jeep forums.

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              • #8
                Originally posted by 63looks59 View Post
                hello.. some folks say that a self lubricating sealed bearing wont last long at the input shaft--- IS this true? and Why ?
                Three letters, IMS! Check the Porsche websites for it, you won't use a sealed bearing after that in a transmission.

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                • #9
                  Bad. I think it was Porsche that tried that and it didn't work out too well.

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