It looks like the theoretical max for rare earth is not that straight forward. See the BH(max) column here: https://en.wikipedia.org/wiki/Rare-earth_magnet#Ma

It looks like the theoretical max for rare earth is not that straight forward. See the BH(max) column here: https://en.wikipedia.org/wiki/Rare-earth_magnet#Magnetic_properties https://en.wikipedia.org/wiki/Rare-earth_magnet#Magnetic_pro...