All the bearing information we need to know is available in books, on the Internet and in classrooms in engineering schools.
The different type bearings are engineered for a purpose (or application). It requires the effort to study.
Be skeptical about the media hype, magazines and the "hot new" stuff you read about.
You can get sidetracked into buying something you don't need or worse installing something inferior.


"Adding CFM to a truck will only help at engine speeds you don't want to use."
"I found there was nothing to gain beyond 400 CFM."