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Bearing clearance


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Novasnovasnovas's Avatar
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August 12th, 2017, 3:06 PM   #1  
Bearing clearance

What is the desired bearing clearance for a MkIV BBC? One book says .002-.003. General mechanical knowledge says .001 per 1" of diameter, which is .0027, but +- how much? I'm on my 3rd set of bearings and most are more than .003". Street driven muscle car.

 
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August 12th, 2017, 5:17 PM   #2  
Posted By: Novasnovasnovas What is the desired bearing clearance for a MkIV BBC? One book says .002-.003. General mechanical knowledge says .001 per 1" of diameter, which is .0027, but +- how much? I'm on my 3rd set of bearings and most are more than .003". Street driven muscle car.
If you have a 3 inch journal, with your post it would be .003" I'd say .002-.003" clearance with a 1 1/2 inch journal. You might be thinking of a small engine.

 
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