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  1. 28-11-2018 #1
    marbles's Avatar
    Lives in glasgow, United Kingdom.
    marbles
    Last Activity: 20-09-2023 Has been a member for 9-10 years. Has a total post count of 173. Received thanks 8 times, giving thanks to others 91 times. Referred 1 members to the community.
    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
    Last edited by marbles; 28-11-2018 at 12:05 PM.
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