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Thread: I found a bearing in the tool box I bought..

  1. #1
    Join Date
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    Default I found a bearing in the tool box I bought..

    With my SB came a Kennedy tool box full of tools and the such..It also contained some bearings...

    While looking through the bearings... I found an old MRC ABEC-7 bearing, 105-KRDU #7 BAKE and a Fafnir bearing... The box says set of 2, but it only had one and a used Fafnir bearing of the same quality and size, but you can tell it was the one that was replaced....

    I just know ABEC-7 is supposed to mean good.. but how good? I cant seem to find info in like a brochure....

    Is it resell able? I could certainly use the cash for other things for a bearing that is to big for what I need..

  2. #2
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    Default

    ABEC-7 is pretty standard in spindle bearings as well as the bakelite cage.

    But unless these things are sealed they wont have any value.

  3. #3
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    Default

    that bearing has an ID of about 1".....small headstock or big rotating centre?

    if its a new set, you've got the biggest challenge of making a spindle already in hand; cost of the bearings!

    http://webcache.googleusercontent.co...=www.google.ca
    .

  4. #4
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    Default

    Quote Originally Posted by macona
    ABEC-7 is pretty standard in spindle bearings as well as the bakelite cage.

    But unless these things are sealed they wont have any value.

    Dashed my dream of making a few hundred to pay for more tools!

    Ah well, maybe I can come up with a use..

  5. #5
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    Default

    That's an angular contact bearing (25x47x12mm) that probably goes to a grinder or similar. Pricey bearing but like Macona states, it needs to be sealed or who would buy it? If I were spending that much money to get an expensive machine going, I wouldn't be buying a second-hand bearing. But hey, there's a lot of cheapskates out there. Try and Ebay it.

  6. #6
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    The gorton mill which I re-bearinged the spindle had bearings about that size. Those should be 30mm ID. (oops, 25mm)
    Last edited by macona; 03-29-2011 at 01:20 PM.

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