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Does this bearing fall under any standards/specs? 1

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rollingcloud

rollingcloud

Aerospace
Aug 9, 2022
172
I have a chamfered self-lubricated spherical bearing with PTFE liner, the race diameter is about 3.6 inches, the ball inner diameter is about 2.8 inches. Both the race and the ball are made from 17-4PH. It exceeded the sizes listed in MS14103; I am thinking it might fall under ISO 10792 standard? If so, I can try to buy a copy of it. Below is an example for that type of bearing incase my wording is off.
00016512_a_gn79jy.png


Edit: Looks like it's not under ISO 10792 either, so maybe too big to fit under any standard?
 
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I guess the better question is which standard covers self-lubricating spherical bearing with bore dia of 2.8 inches, so far, the largest bore dia listed in the tables is 2 inches ...
 
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If the bearing is in inches it does not fall under ISO. Check ANSI or ABMA for relevant standards. Maybe ABMA 22.2
 
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TugboatEng,

My bad, I checked again, a lot of the dimensions are exact in mm, such as the bearing bore diameter being 72 mm. In the document, it has both inches and metric versions. It's not a radial spherical plain bearing, it has no outer/inner ring, just a liner.
 
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I don't understand what you mean by no inner and outer ring. Your picture shows what looks like a SKF GE series bearing with TXG3A trim.

ISO 12240-1 covers dimensions for these bearings. 72mm does not appear to be a standard bore size.
 
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