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marksl

Sr. Member
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Posts: 138
Reply with quote  #1 
Hello,

Does anyone have the bearing interchanges for the following Mycom Compressors

200VSD
Main Bearing             CS0270-ERT
Side Bearing             CS0280-ERT

250VSD
Main Bearing             CS0270-FRT
Side Bearing             CS0280-FRT

Is it correct that ISO 10816 doesn't include a reference for refrigeration screw compressors and instead we should use VDI 3836 as the standard. If this information is correct the two screw compressors listed above would fall into Machine Group 3 so does that mean that I should use 8 mm/sec RMS as my high alert alarm and 12 mm/sec RMS as my shutdown alarm

Thanks
Jackal

Member
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Posts: 4
Reply with quote  #2 
markl,
I am pretty sure that the mycom compressor have hydrodynamic bearings and back to back angular contact bearings for main and side shafts, that take axial load. I might be wrong here but it used to be the case with 125LU-320LU models. i have a w/shop paper that has info from my past experience.
 Let me know if you need n exploded view and i will send it to you. Good Luck.
Mycom .jpg 

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