Bearing size question

Discussion in '40- & 55-Series Tech' started by TGIFriday, Feb 24, 2007.

  1. TGIFriday

    TGIFriday

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    I am in the process of rebuilding my 2F engine and need to order new bearings for crankshaft and connecting rods. I pulled the connecting rod bearings and there is a .75 stamped on them. When I look at ordering replacement the come in standard, .10, .20 etc and the biggest I've found is .40. Could someone explain how these numbers correspond or what they mean? I did a search but couldn't find anything that answered my question. Also, in case you can't tell, I'm a newbie to posting here. Been reading the posts for a couple of years and they have been a lifesaver numerous times. Thanks for all the help.
     
  2. grant5127

    grant5127

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    .75mm = .30 or 3rd. over

    .10=.25mm....20=.50mm...30=.75mm
     
  3. TGIFriday

    TGIFriday

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    Thanks. That clears things up.
     
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