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Technical Anyone have a good source for metric bushings in the US???

Discussion in 'The Hokey Ass Message Board' started by Shaggy, Dec 22, 2014.

  1. Shaggy
    Joined: Mar 6, 2003
    Posts: 5,207

    Shaggy
    Member
    from Sultan, WA

    I need a 19mm id bushing to repair a muncie tailshaft shifter bore. 19mm comes out to .748 and the shaft is .746, not perfect but close enough in my opinion, it seems everywhere i look they skip from 18mm t0 20mm. If my lathe was running i woulda already made one myself.
     
  2. McMaster and Carr as a possibility.
     
  3. Shaggy
    Joined: Mar 6, 2003
    Posts: 5,207

    Shaggy
    Member
    from Sultan, WA

    I already checked them. It's looking like i might need to call in a favor with a friend
     
  4. oldolds
    Joined: Oct 18, 2010
    Posts: 3,408

    oldolds
    Member

    When you press it in it might undresize by that much. You usually have to fit them anyway.
     

  5. squirrel
    Joined: Sep 23, 2004
    Posts: 56,085

    squirrel
    Member

    Get your lathe running again.
     
  6. stimpy
    Joined: Apr 16, 2006
    Posts: 3,546

    stimpy

    your supposed to ream to size on them so start under and ream to fit .
     
  7. Shaggy
    Joined: Mar 6, 2003
    Posts: 5,207

    Shaggy
    Member
    from Sultan, WA

    Thats what i was hoping for, but i really doubt aluminum will compress a bronze bushing any, nonetheless i cant find a 19mm, the closest thing i can find is a .750 which is way too big
     
  8. aaggie
    Joined: Nov 21, 2009
    Posts: 2,530

    aaggie
    Member

    A used Muncie tail case shouldn't be too hard to find. I have ventilated a few main cases over the years but never seen a reverse hole worn out.
     
  9. terry48435
    Joined: Jun 23, 2010
    Posts: 477

    terry48435
    Member

    Check with "Grainger"
     
  10. Shaggy
    Joined: Mar 6, 2003
    Posts: 5,207

    Shaggy
    Member
    from Sultan, WA

    It wasnt really worn, the previous owner drove the taper pin out the wrong way and split the boss in half, now it's welded back up but the bore is scarred up from apprently a combo of taking it apart in the 1st place, and pulling the shaft back out after it warped during welding. It's probably still usable but i'd prefer to fix it right because this is for my work and back car, and with the brand new set of m22 gears in it it's going to see a TON of miles before i should ever have to pull it apart again. Now i'm not opposed to getting anouther used tailshaft, except a $2 bushing and an hour of work is gunna be a lot cheaper and i have better things on that car to waste my money on!
     
  11. dreracecar
    Joined: Aug 27, 2009
    Posts: 3,476

    dreracecar
    Member
    from so-cal

    If the bushing does not compress in the housing to hold tight, then it will work its way out
     
  12. i have restored several antique harleys. they use metric bushings in several places. probable due to all the german machinists at that time. i have used a place in oak creek wi. called bearings inc. the number is 414-764-7272 they stock metric bushings.
     
  13. Shaggy
    Joined: Mar 6, 2003
    Posts: 5,207

    Shaggy
    Member
    from Sultan, WA

    Unless it swells the housing out which is what i figure it'd do. The closest one i could find was a .750 id, .9375 od and the aluminum boss is somewhere under 1 1/4 or so most of the way down(i'm not in the shop, but i remember it wasnt a lot of meat). I figured i'd go a .002 interference fit, heat the tailshaft as hot as i can in the home oven and chill the bearing. Been there, done that on bushings before
     
  14. dreracecar
    Joined: Aug 27, 2009
    Posts: 3,476

    dreracecar
    Member
    from so-cal

    Pictures would help as I (and maybe others) dont know where this shifter bore shaft is located and the amount of mass surrounding the bushing.
     
  15. Shaggy
    Joined: Mar 6, 2003
    Posts: 5,207

    Shaggy
    Member
    from Sultan, WA

    I cant get pictures right now, but it's where the reverse shaft comes out of the case, pretty simple stuff to fix. Ive done a ton of this stuff i just cant find a commertial bushing that is anywhere near the right size, the next smaller one is .708(18mm) so i'll probably go that and ream it to size
     

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