I am not one to overthink something like this (I will use whatever head i'm using for everything) but if I was buying a bear specific head for bear I would look hard at the German Kinetic XXL, I have never shot them, but nobody has anything bad to say about them, and they cut a huge hole, which can be a very big asset on a bear. bear are seemingly the easiest thing to kill with a well placed arrow, but if the arrow placement isn't perfect they are very hard to kill, and may go a long ways, bears tend to not bleed well (though all of mine have) but a big cut could be a real benefit in the case of bear hunting.
they are not nearly heavily structured as elk, actually closer to deer, so consider that. something that will hold an edge, effectively cutting the whole way through will give more blood on the ground. lots of really good choices though (exodus, magnus ser razor, iron will, kudu, steel force, vpa, cutthroat, etc) your arrow weight is really good already, so you are already ahead of the game. good luck on your hunt!