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Trailer Hub Grease Caps

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  • 22-01-2021 1:52am
    #1
    tancoman
    Registered Users Posts: 47 ✭


    Any suggestions or point in the right direction would be appreciated. I am looking for 2 Hub grease caps for an old 5 stud 10' x 6' tractor trailer. Its nothing special and only used occasionally. The hub grease caps are missing for quite some time and am looking to tidy up before any damage is done to the bearings which are still ok. The size that I am looking for is 81.55 mm OD ( 3.21") x 45-50mm deep. The name of any Irish supplier would be appreciated. I don't want the hassle with UK suppliers because of Brexit.


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    #2
    zetecescort
    Registered Users Posts: 5,049 ✭✭✭zetecescort


    tancoman wrote: »
    Any suggestions or point in the right direction would be appreciated. I am looking for 2 Hub grease caps for an old 5 stud 10' x 6' tractor trailer. Its nothing special and only used occasionally. The hub grease caps are missing for quite some time and am looking to tidy up before any damage is done to the bearings which are still ok. The size that I am looking for is 81.55 mm OD ( 3.21") x 45-50mm deep. The name of any Irish supplier would be appreciated. I don't want the hassle with UK suppliers because of Brexit.

    Are they a threaded fit or just tap into the hub?


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    #3
    tancoman
    Registered Users Posts: 47 ✭tancoman


    zetecescort wrote: »
    Are they a threaded fit or just tap into the hub?

    The caps "tap into" the hub.


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    #4
    patsy_mccabe
    Registered Users Posts: 10,705 ✭✭✭✭patsy_mccabe


    Dust Caps they call them. Some on ebay


    https://www.ebay.co.uk/itm/312817914779

    'When I was a boy we were serfs, slave minded. Anyone who came along and lifted us out of that belittling, I looked on them as Gods.' - Dan Breen



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    #5
    Chiorino
    Registered Users Posts: 621 ✭✭✭Chiorino


    Each manufacturer uses slightly different sizes and these can be very specific i.e. indespension is 50.25mm, bradley is 50.6mm etc (iirc). Go into a dealer and don't be wasting time and money trying to second guess buying online. Where in the country are you?


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    #6
    blue5000
    Moderators, Society & Culture Moderators Posts: 12,628 Mod ✭✭✭✭blue5000


    Chiorino wrote: »
    Each manufacturer uses slightly different sizes and these can be very specific i.e. indespension is 50.25mm, bradley is 50.6mm etc (iirc). Go into a dealer and don't be wasting time and money trying to second guess buying online. Where in the country are you?

    Op is looking for hub caps for a tractor trailer, not a jeep trailer. Could you get some made at a light engineering place with a lathe?

    If the seat's wet, sit on yer hat, a cool head is better than a wet ar5e.



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    #7
    patsy_mccabe
    Registered Users Posts: 10,705 ✭✭✭✭patsy_mccabe


    Any good machinist or toolmaker could measure the diameter for you. An external measurement can be done with a vernier. Internal diameter is harder to get accurate. Internal gauge type needed.

    'When I was a boy we were serfs, slave minded. Anyone who came along and lifted us out of that belittling, I looked on them as Gods.' - Dan Breen



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    #8
    tancoman
    Registered Users Posts: 47 ✭tancoman


    Hi all, got sorted locally in a small engineering business made them up for me. Thanks for all your replies


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