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Thread: NOS main bearings

  1. #1

    NOS main bearings

    I am in need of an old set of main bearing complete set 1-7
    The ID 50 over and theOD 10 over.
    This is actually listed as a part from Porsche back in the day. During my rebuild I am having to grind
    Crank ther for ID requirement and having to line bor the case there for OD.
    Email, best way

  2. #2
    Join Date
    Nov 2004
    Scottsdale, AZ
    Pre ‘75?

    You may be in luck.

  3. #3
    Quote Originally Posted by Baxter2012 View Post
    The ID 50 over and the OD 10 over.
    The bearings you need are ID 0.50 mm under (undersize) and the OD 0.25 mm over (oversize).
    Your ID number 50 is a reference in millimeters, your OD number 10 is a reference in inches (10 = 0.010" = 0.25 mm).

    Jon B.
    Vista, CA

  4. #4
    Frank sent you a PM as well yes pre 75 it’s a 71 2.2.
    Am I in luck, I could use some.
    Jon you are correct just trying to find what the builder says I need.

  5. #5
    Yes it’s a 2.2 out of a 71

  6. #6
    Join Date
    Nov 2004
    Scottsdale, AZ
    Sorry; no dice.

    Only have .25mm/.25mm and .50mm/Std.

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