Thanks for the responses. These are motor driven direct coupled. Apparently the company wanted to save some $ during installation so they didn't get the more detailed drawings. Also OEM manuals are not available because our corporate group doesn't always get us the info we need to maintain...
We have had numerous bearing failures because we have had the fixed type bearing closes to the fan housing and the "floating" bearing on the outboard. Our seasoned maintenanc guys say the fixed should be on the outboard and floater inboard. Engineering says the opposite. Our drawings aren't...