Carbon black reinforced rubber composition with aromatic guanidine antiozonant and tire having component thereof

A rubber composition comprised of, based upon parts by weight per 100 parts by weight rubber (phr):

• (A) at least one conjugated diene-containing elastomer;
• (B) particulate reinforcement in an amount of from about 10 to about 150 phr of:
• (1) rubber reinforcing carbon black, or
• (2) rubber reinforcing carbon black and up to about 10 phr of precipitated silica;
• (C) an antiozonant amount of a combination of:
• (1) from about 0.5 to about 6 phr of at least one amine-based antiozonant, and
• (2) from about 0.5 to about 6 phr of aromatic guanidine comprised of at least one of diphenyl guanidine and di-ortho-tolyl guanidine,
• (D) from about 0.5 to about 6 phr of a primary sulfonamide primary sulfur cure accelerator,
• (E) about 0.1 to about 1 phr of a sulfur vulcanization retarder, and
• (F) optionally a silica coupling agent for said precipitated silica, wherein said silica coupling agent contains a moiety reactive with hydroxyl groups (e.g. silanol groups) on said precipitated silica and another different moiety interactive with carbon-to-carbon bonds in said elastomer.