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Re: Bearing preloads

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  • rainnea
    Hi Mike, I used double row angular contact bearings which are a pair of bearing races in one package. I got them from Global Bearings in the UK. Rab ... you
    Message 1 of 4 , Oct 1, 2004
      Hi Mike,

      I used double row angular contact bearings which are a pair of
      bearing races in one package. I got them from Global Bearings in the
      UK.

      Rab

      --- In CNC_Toolkit@yahoogroups.com, "mmeyers1111" <mmeyers1111@y...>
      wrote:
      > Rab,
      >
      > 1) How many angular contact bearings do you have in each ball screw
      > end mount?
      >
      > 2) Do you use a Rabolator (ha ha) to preload the bearings, or do
      you
      > buy them in matched pairs that preload themselves when
      > installed/tightened on the ball screw shaft?
      >
      > 3) If out-of-the-box preloaded bearings are not purchased, do folks
      > typically use spring washers to get preloads, or do they use thin
      > shim washers to get desired the tolerances/preloads?
      >
      > I bought a bunch of single angular contact bearings and they are not
      > machined to create a preload when two of them are tightened
      together
      > on a shaft. Therefore, I'm thinking about various ways that I can
      > create a preload myself.
      >
      >
      > Mike
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