Tom, neither of those are the correct one. I used the one from reef addict first. bought those same bearings and they and not even close to the size i need. Mine is and older baldor motor. I have a marlin and a barracuda i need to do this on. I took off the bearings already, they don't seem bad at all. Pretty smooth. But what i did notice is there is rust on the part that spins around in the magnets part. Not sure what its called.
btw the first video you posted is for the seal. I don't need that.