PNEUMATIC TIRE

A pneumatic tire excelling in uniformity, obtained by forming cords containing a polyketone fiber with high strength and high elastic modulus into a tire cord fabric of high quality and high performance as a reinforcing cord for carcass layer, belt layer or belt protecting layer and applying the tire cord fabric to the carcass layer, belt layer or belt protecting layer. There is provided a pneumatic tire comprising, as a carcass ply cord, a cord containing a polyketone fiber in a proportion of at least 50 mass% and having a maximum thermal shrinkage stress ranging from 0.1 to 1.8 cN/dtex and comprising a cord of 60 to 600 dtex fineness, 100 to 2000 g tensile strength and 3 to 30% break elongation as a weft cord arranged within a tire in the state of being roughly orthogonal to the carcass ply cord, wherein the spacing between mutually roughly parallel weft cords is in the range of 5 to 50 mm.