he was 43 years old
Symphonies
Four.
Brahms completed four symphonies.
Brahms was famous for his romantic symphonies
Discounting composers who didn't write any, Johannes Brahms only completed four.
Johannes Brahms composed four symphonies.
Beethoven
He wrote four symphonies.
Orchestral symphonies
symphonies which where easy to remind
Julius Allen Greenway Harrison has written: 'Brahms and his four symphonies'
I've never heard any of Brahms' symphonies referred to as "the Bells". However, Rachmaninoff did compose a choral symphony called "The Bells". Perhaps that is what you are thinking of.