To provide a pneumatic radial tire for a vehicle which can improve steering stability without increasing weight of a carcass layer.SOLUTION: The pneumatic radial tire has a carcass layer hung across a pair of left and right bead parts. The carcass layer comprises carcass plies having steel cords arranged therein, where a product of 2% elongation-time loads (N) per one steel cord, the number of the steel cords driven in carcass plies (number/inch), and the number of the carcass plies is 6000 or more and 7500 or less.SELECTED DRAWING: Figure 1

    【課題】カーカス層の重量を増加させることなく、操縦安定性を向上させることができる、乗用車用空気入りラジアルタイヤを提供する。【解決手段】左右一対のビード部間に掛け渡されたカーカス層を有する空気入りタイヤであって、上記カーカス層は、スチールコードを配置したカーカスプライを備え、上記スチールコード1本当りの2%伸張時荷重(N)と、カーカスプライにおけるスチールコードの打ち込み本数(本/inch)と、カーカスプライの枚数との積(N/inch)が6000以上7500以下であるものとする。【選択図】図1


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    Title :

    PNEUMATIC RADIAL TIRE FOR VEHICLE


    Additional title:

    乗用車用空気入りラジアルタイヤ


    Contributors:

    Publication date :

    2019-06-24


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B60C VEHICLE TYRES , Fahrzeugreifen



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