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  1. rota2

    Effects of Increasing viscosity of oil

    Hello all, We have only just discovered that our operators are filling a 320 oil into a gear box of planetary type , instead of the 220 oil recommended, what will be the effects of this?, the thought here is that no real damage will occur, in fact it may be better, I have my reservations ...
  2. rota2

    compatible grease for Polyrex EM

    Hi all! We have just received a 450 HP Westinghouse motor that has Polyrex EM grease as the lubricant for it's bearings.I would like to get a compatible grease for this motor, any thoughts on how to begin, or is that information is already out there , I am only to source it? Thanks
  3. rota2

    BPFI Frequency

    Hello everyone. Does BPFI frequencies first occur at a frequency less than 1x running speed.
  4. rota2

    SKF Flush Ground Bearings Suffix 'G"

    Thanks for the info, but tell me what applications would you use which, we have here a double suction boiler feed pump, two stage, that was fitted with skf BECBM bearings in a back to back arrangement, these bearings discoloured the oil within minutes of being put in service, and failed...
  5. rota2

    SKF Flush Ground Bearings Suffix 'G"

    Hello All I am a bit confused about SKF designation "G" on angular contact bearings to indicate it is flush ground for back to back mounting.I am also seeing bearings that do not have the suffix "G" that can be mounted in a back to back arrangement, ex BECBM. What is the difference here? I...

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