| 摘要 |
PROBLEM TO BE SOLVED: To provide a pneumatic radial tire for a heavy load with improved durability of a bead part.SOLUTION: A pneumatic radial tire for a heavy load includes a carcass rubber that is arranged along the outer side of a returning part of at least a single layer steel radial carcass and is formed of a plurality of layers extending in a radial direction. The carcass rubber includes: a first carcass rubber layer that is the closest to the returning part; and a second carcass rubber layer that is arranged on the outer side of the first carcass rubber layer. |
