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  1. turner91

    Mechanical Drawing Notes

    Ok, thanks for all the help guys! I think I have it down now.
  2. turner91

    Mechanical Drawing Notes

    I honestly have no idea what P7 means at all. I have never worked with bearings before and have never had to use different fits before. I am a first year engineering intern and we haven't covered anything about it yet. I am working for a very small government contractor and am designing a...
  3. turner91

    Mechanical Drawing Notes

    So I literally write P7 on it?
  4. turner91

    Mechanical Drawing Notes

    I was originally using Mcmaster Carr for the bearing and they did not give this information at all. The housing material is 1018 carbon steel and I believe the material of the bearing is steel.
  5. turner91

    Mechanical Drawing Notes

    Thanks for the help! Okay, so if I pick out one of their bearings that has an OD of 100 mm and I choose the housing fit that I want and it says use tolerance P7 what do I do?
  6. turner91

    Mechanical Drawing Notes

    So I am trying to make mechanical drawings for a part that I need made but I don't know how to make the notes for the bearing to be press fit inside of it. How do I do this if I have a bearing with an outside diameter of 100mm?

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