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Thread: Fan bearing

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    Default Fan bearing

    I have an AVC fan that has

    1B1S BEARING

    written on the label

    Does this mean one ball, one sleeve bearing?
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    Last edited by ashiekh; 08-03-2020 at 06:32 PM.

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    Yep, they're not common anymore as 2BB has become cheap enough to cut into pretty much any cost saving 1B1S used to have.

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    ashiekh (08-03-2020)

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    Wow. AVC. That's a name I haven't heard in a very long time.

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    Which leads me to a related question: how do one ball bearing fans work?

    I have a one ball bearing fidget spinner and there is a lot of slop on the bearing, or does one ball bearing imply ball/sleeve?
    Last edited by ashiekh; 08-05-2020 at 09:22 PM.

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    To be fair, fidget spinners don't have the highest quality bearings.

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    So single ball bearing fans really are just that? I would expect them to be quite noisy as they rattle around.

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    Quote Originally Posted by ashiekh View Post
    So single ball bearing fans really are just that? I would expect them to be quite noisy as they rattle around.
    They do. Even DBB's rattle at low RPM. That's why I prefer a rifle or FDB.

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    ashiekh (08-06-2020)

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    And .... that leads to another question.

    are ceramic bearings being used in some ball bearing fans? either hybrid or full ceramic.
    Last edited by ashiekh; 08-06-2020 at 02:24 PM.

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    Quote Originally Posted by ashiekh View Post
    And .... that leads to another question.

    are ceramic bearings being used in some ball bearing fans? either hybrid or full ceramic.
    Noooooooooooooooo............ these are PSU fans. Not bicycle bottom brackets.

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    I have wasted enough time on this topic; thanks for all the help.
    Last edited by ashiekh; 08-06-2020 at 02:48 PM.

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