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dedithamrin (Mechanical) (OP)
12 Jun 08 1:49
Please advise what is the minimum running clearance according to API 610, for example on table write minimum running clearance is 0.016 inch for rotating diameter between 4.00-4.499 inches. Is it mean the clearance no allowed more than 0.016 or should be more than 0.016 inch
sunloco (Mechanical)
22 Jul 08 12:07
more than 0,016 inch
ORTIZCORNEJO (Mechanical)
25 Jul 08 8:43
When considering running clearance, at a minimum, I would consider sixfold parameters: shaft speed, type of bearing in which the shaft is running, allowable shaft mechanical runout, allowable bearing concentricity, allowable misalignmemt, expected shaft temperatures and expected lube viscosity & oil Delta Temperature. For example, a hot running clearance is not the same as a cold running clerance.

The 0.016 IN spec is at best generic. For example in a sleeve bearing at 1200 rpm the 0.016 IN running clearance would be on the high side however if the shaft speed is 14000 rpm the 0.016 clearance is excessive.  

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