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Recent content by fairgentlemanZ

  1. fairgentlemanZ

    Journal Bearing: tight tolerances for a large bore

    In this application we are not able to use a horizontal surface as a thrust bearing. We do have another component that is made out of cast iron AND we are able to use it as a thrust bearing. Every manufacturer of plastic bearings "recommends" diametric clearances of .003 - .005d. So for our...
  2. fairgentlemanZ

    Journal Bearing: tight tolerances for a large bore

    No forced lube, just a zerk fitting and grease.
  3. fairgentlemanZ

    Journal Bearing: tight tolerances for a large bore

    Does anyone have experience using tight clearances for a bore around 4"? I'll try to keep this as simple as possible. The bearing is being used to axial locate tooling during machine operation. The tool needs to rotate for indexing. Steel bearing, steel shaft. Shaft ~ 4", l/d ~ 1/2, the...

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