What's the difference with a center track bearing and a flat bearing?

[hsb]

Some info here:

Just the Facts: Bearing Shapes

Yo I’ve seen a lot of conflicting information while trying to research bearing shapes and I want to make a post to gather all the facts about each shape for clarity. Not really looking for people’s opinions on what they like better but feel free to share them if you want. Really just trying to wrap my head around the facts. I’ll put a couple things in that I’m pretty sure are correct. Also when we have a list of pros and cons I’ll update the OP and then players of the future trying to figure…