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Thread: bearings

  1. #1
    Join Date
    Oct 2003
    Posts
    6

    Post bearings

    what is a clearence between shaft and bearing,.001 or less?

  2. #2
    Join Date
    Jul 2004
    Location
    New Zealand
    Posts
    548

    Post

    I think you need to provide a bit more information to get a relevant answer. What type of bearing?

  3. #3
    Join Date
    Oct 2003
    Posts
    6

    Post

    Your right,they are pillow blocks,going on a 30 year old mower.

  4. #4
    Join Date
    Jul 2003
    Location
    Southern Oregon
    Posts
    597

    Post

    Hi
    All that I have installed have been a slide fit about .001".This will allow for
    shaft length changes due to heat.If a bearing is a shrink fit .001" to .0015"
    tight they usually have a slide fit on the
    bearing O.D. inside the bearing housing.



  5. #5
    Join Date
    Jan 2003
    Location
    On the Oil Coast,USA
    Posts
    16,871

    Post

    They slide fit,thats why they have either a locking collar or setscrews,if you want you can put some Loctite under them,just be sure you know where they need to be and get them there before the loctite sets up.Actually you can get away with .002 or even .003" clearence since they are low speed bearings anyway.
    I just need one more tool,just one!

  6. #6
    Join Date
    Jan 2003
    Location
    Deep in the Heart of Texas!
    Posts
    5,721

    Post

    Low speed? The drive shaft on my Woods turns at engine speed. That reminds me; I better take a look at mine.

  7. #7
    Join Date
    Jan 2003
    Location
    On the Oil Coast,USA
    Posts
    16,871

    Cool

    3600,like said,low speed
    I just need one more tool,just one!

  8. #8
    Join Date
    Jul 2004
    Location
    New Zealand
    Posts
    548

    Post

    Was wondering why you asked the original question. Are you having trouble fitting some new bearings or something?

  9. #9
    Join Date
    Jul 2001
    Location
    Green Bay, WI
    Posts
    2,599

    Post

    Rule of thumb..
    For oil lube, use .0005 per inch diameter
    For Grease lube, use .001 per inch diameter of shaft

  10. #10
    Join Date
    Oct 2003
    Posts
    6

    Post

    Thanks for the advise will use info to make shaft. Dave

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