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Thread: Bearings

  1. #1

    Post Bearings

    Are both flex shaft bearings in the Z truck NSK 6000 DU's? And is the top one pressed in from the top and the bottom one pressed in from the bottom?

  2. #2
    Join Date
    Nov 2006
    Location
    Rolla, Missouri
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    3,418

    Default

    No they are not both the same, the bottom bearing is larger. The spindle shaft gets pushed out from the top first. Then, you need to make a tool to tap the bearings out from the inside. Install new bearings, then press the spindle shaft in from the bottom. DO NOT use a hydraulic press for this, an arbor press would probably be overkill kill too. A 6" C-clamp would do the trick.
    Happy carving , Jeff Birt

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  3. #3

    Post Bottom Z Truck Bearing?

    What is the bottom bearing. The top is a NSK 6000 DU.

  4. #4
    Join Date
    Feb 2007
    Location
    Upper Peninsula
    Posts
    70

    Default

    MWM A2020 Roller Bearing Adjustable Assembly $21.95 1 $21.95
    MWM A2021 Roller Bearing Fixed Assembly $21.95 1 $21.95

    is tthis it?

  5. #5

    Post Bearings

    Are we talking same bearings? I was talking to LHR and they told me the top bearing was a NSK 6000 DU. I did not ask about bottom one, just assumed they were the same. Are these two of a different brand yet compatible?

  6. #6

    Post Bearings

    Sorry. After a little research I found that both bearing assemblys mentioned are for the Z truck itself. I am talking the bearings for the flex shaft inside the Z truck. The top one is a NSK 6000 DU and I am looking to find out what the bottom one is. Thanks.

  7. #7
    Join Date
    Jan 2007
    Location
    NE PA USA
    Posts
    9,898

    Default Back Order

    I still have 2 lower bearings on back order from LHR since before Christmas.

    AL

  8. #8
    Join Date
    Feb 2006
    Location
    Holden,Missouri, U.S.A.
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    1,833

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    Al
    You can probably get those bearing at an auto parts store, just cross reference them to the number. might be worth a try.
    Thats what I did for my plunge router. Thats was almost a year ago , still working fine.
    I think it was O'riely auto parts.
    later Daniel
    Last edited by Dan-Woodman; 02-04-2008 at 06:37 PM.
    1.187 Custom Woodworking for more than 40-years

  9. #9
    Join Date
    Feb 2007
    Location
    Upper Peninsula
    Posts
    70

    Default

    is it possible to restore the bearings, a guy was vacuum forming his flex-shaft to get the gunk in better and it works good. could this be done with the bearings or are they frozen-tight from heat?

  10. #10
    Join Date
    Feb 2007
    Location
    Upper Peninsula
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    70

    Default

    are these the same bearings as a S/B Pr machine, I got a basket full of them, but were...

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