Thorin took the blade for himself ... who was concerned that Elrond's own apathy would lead to him abandoning her beloved Aragorn in his greatest hour of need. Receiving Andúril, however ...

By then, even Aragorn recognized his contribution and ... Balin was one of the dwarves in Thorin's Company that survived the re-taking of Erebor, only to fall trying to retake Moria.