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  1. 28-11-2018 #2
    Clive S's Avatar
    Lives in Marple Stockport, United Kingdom.
    Clive S
    Last Activity: 2 Hours Ago Forum Superstar, has done so much to help others, they deserve a medal. Has a total post count of 3,342. Received thanks 618 times, giving thanks to others 82 times. Made a monetary donation to the upkeep of the community. Is a beta tester for Machinists Network features.
    Quote Originally Posted by marbles View Post
    Hi,

    I'm making up a rotary indexer. In the headstock build i'm using a ER32 collet shaft extender. The shaft is 32mm OD and bearings 32mm ID but they are too tight a fit at the moment to slip on.

    The difference as measured by a collegue (shouted across the room) is 5000th of an inch, or 0.0127mm in my world.

    Will heating the bearings allow me to get these on or should I be looking at getting the shaft turned down, or another method?

    Thanks
    Try putting the shaft in the freezer overnight But have you got an extra zero in there
    ..Clive
    The more you know, The better you know, How little you know
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