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fburgos

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Reply with quote  #1 
anyone has the bearing data on this compresors, this are oil floded, perhaps there is no timing gear but there must be a gear for speed amplification to one of the rotors, I dont have any clue, not even the vanes on each rotor

R75i-A110.png 

Sinski

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Reply with quote  #2 
I have never had much joy getting information on compressors. The companies do not seem to like giving out that information. The only way I got information from the ones that are on my site was to go to our compressor service company workshop when they had pulled one of ours apart.
fburgos

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Reply with quote  #3 
Is crazy if wanted to copy their design I buy the thing and copy it period.

I don't see any sensitive data from knowing the bearing and shaft speeds
OLi

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Reply with quote  #4 
Bearing manufacturers 1986 was the same, CSI bearing database is mainly built by data sent in from CSI users so you find bearings from same brand, same spec but different factories that differ...... SKF only contained the official datasheet numbers.
I think it eased up in 1990's as the info was spread anyway.

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MarkL

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Reply with quote  #5 
I think the reluctance to supply such information is more to do with the way they sell the machines, I think most of them now a days are on service contracts and they have vested interests in the resupply of components and they view any inquiry into identifying of parts as a possible commercial challenge.

fburgos

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Reply with quote  #6 
probably they want the compresor to fail beyond repair and sell you a new one.
OLi

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Reply with quote  #7 
Or go by OEM defined service interval for total overhaul instead of on condition, that is in the long run more money......
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