I'm sure there are poeple who will understand that if you hunt long enough you will wound and animal. I have, and yes it was with a bow, it was a book bear and it did live to be killed the next year. How do I know? because my broad head was still in it. We look at big game as something more then it is. How many other game animals have you wounded in your life time. I think all the game we hunt counts.
I have never killed a bear with a cast bullet, but can tell you that with the right person shooting, a cast bullet does make a great hole, a big hole, and one that lets the blood flow. I can also tell you that a 100gr muzzy will do the same as will a 1 oz 12ga slug. I've killed them with a 60gr partition bullet from my .223 all 600lbs worth. I have used most of the .30 cal weapons. Yes I used .338 as well as pure lead from my great plains .50 cal all 385gr at 20 yards which didn't exit. I can also tell you that at 12 ft a 3006 180 partiton bullet didn't exit the 268lb bear my daughter shot. I have seen bear hit and not bleed a drop due to the 4-6" of fat on the animal.
Bottom line is, this person the one who asked if the 338 35 444 would be good for bear and which one works best, is doing his homework, which we all do and this web page is a great place to get info from people who are hunters. I mean guys who live, eat and breath the sport. I agree with some of the info that people have posted, I also know that not everyone will see "eye to eye" with what I have to say, so I choose to be selective in what I say.
I say "check the fruit on the tree" ask people on this site to back up what they have to say, then and only then can you make a choice as to what you think will work best for you. If you have the money to buy a new gun, then do so. If not your deer rifle will do a great job.
Most of what we have today came from someones failure, where would we be if people didn't take a chance? Dare to step out take a chance and if you fail....................learn from it, pass it on and move forward............