bearing area
bearing area
(OP)
What is the bearing area Abrg of a 3 inch bolt. Also where did you find the information?
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RE: bearing area
You need to give much more info. and a sketch, with dimensions, sizes, loads, etc. How is this thing going to be used and loaded? 3" bolts aren’t off the self items, nor is a detail using them a common detail. The end bearing is just the area of the 3" circle. Bearing as in a bolt hole, maybe a pin hole in a padeye (lifting plate), is a Hertz stress problem, and is a function of the bolt dia. and the hole dia.
RE: bearing area
We really need more information however I think what your looking for is the root diameter of the thread i.e. The area of the thread that can carry the tensile load,if I am right you can find it here under minor dia of external thread.
http://www.efunda.com/designstandards/screws/screw...
RE: bearing area
Abrg = π/4·[Do2-Di2]
RE: bearing area