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  • Need bearing help

    A project I'm working on involves a 2.75"OD shaft with some rings/bushings that are a slip fit over the shaft but are 3"OD. I need to reduce the side friction of the bushings so they can twist freely. Is there any kind of a bearing that I could slip on between bushings like a washer that would allow them to roll around freely? I'm looking for something as thin as possible, around .125" or less.
    Andrew
    Machinist Apprentice
    Some of my creations

  • #2
    If I'm reading you right, you're looking for some type of thrust bearing. You can go with needle caged rollers or probably much cheaper with some bronze/oilite types. Either one could easily be under 1/8" thick. Here's an example with only a 2"ID (they're not exactly giving these away, are they?)

    http://www.amazon.com/Sintered-Bronz...8&s=industrial

    BTW, I checked out your project pics and I like the style of your machinists jacks. Have fun! Sidegrinder

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    • #3
      Check with a auto transmission repair facility. the transmissions use a lot of thrust bearings mostli about 1/8 inch thick.
      re
      Herm Williams

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      • #4
        Again, only 2" i.d. maximum, but you may be able to find larger elsewhere. See "Thrust Bearing" at www.mcmaster.com
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        • #5
          McMaster also sells Bearing grade bronze sheets, you can cut your own out if you can't find what you need.

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