Good info. I did mean the bolt pattern, just slipped my mind when I was typing the post. Are there any other specs that matter if I am replacing a 5hp 3 phase motor with another that is 5hp 3 phase?
If you're referring to only the bolt pattern, then yes, the frame size between different brands will always bolt up exactly the same. Frame size includes the shaft size. All other specs need to match up separately: RPM, horsepower, enclosure type, voltage, etc. You can usually find a cross-reference match to a different brand from the model number of the one you have, but it's easier to shop by matching up the specs, for example if you have a TEFC and can get by with an open dripproof, it would be a lot cheaper.
I'm looking at a motor of the same brand. Frames match up, but wasn't sure if there were minimums I needed to get regarding RPM etc to ensure it will work as a good replacement for a pump stand.
As long as it's the same frame, voltage, and RPM range it should work OK
You want a sealed, permanently lubricated bearing. They use the cheapest ones when they build the motor.
Are sealed bearings all permanently lubricated since they are sealed? Also, because of my ignorance regarding greasing motors and asking the wrong people, I put way too much grease in all of my motors. What is my best/worst case scenario now? 2 already have a loud whining noise and need bearings, but 2-3 others have a knocking noise that sounds like something is loose in the motor.
