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Allowable Bearing stress - High tensile pin

Allowable Bearing stress - High tensile pin

Allowable Bearing stress - High tensile pin

(OP)
Hi

Any ideas on where to find allowable bearing stress for a greased 4340 (high-tensile) pin in a 4340 bush. Pin rotates under load. We would normally use 80-100 Mpa allowable for mild steel components but are there any published allowables for higher tensile components.

Thanks

RE: Allowable Bearing stress - High tensile pin

tigermoth
These are the published ratings for allowable stress. You can increase these values based on how many cycles pin rotates under load. I believe there are published values in one of the AGMA standards what stress level you can increased to depending on numer of cycles.

RE: Allowable Bearing stress - High tensile pin

Is the concern wear rate ?

RE: Allowable Bearing stress - High tensile pin

(OP)
Tmoose Yes, wear rate would be a factor as its in a component which you wouldn't want to replace frequently. Also avoiding seizing if lubrication is non-optimal.  

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