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  • Users: tollie
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  1. tollie

    preload dimension?

    I have two NTN 7218bg bearings that I want to space .750 apart.Can anyone tell me proper length of spacers to set the preload on the bearings? Tollie
  2. tollie

    Heat transfer times ?

    The problem :To get .005 thick nickel cylinder 12.75 dia.X 80" long on a Steel cylinder .625 thick ,O.D.being.005-.008 bigger than the I.D. of the Nickel cylinder. Steel cylinder has been cooled with dry ice.Constant heat being applied to the nickle sleeve. What is the possible time span to...

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