汽车轮胎尺寸数字各是什么意思?

2025-03-15 16:02:43
推荐回答(3个)
回答1:

轮胎规格表示一般格式是这样的225/50R17
94V,这些数字和字母的含义分别是:
225表示胎面宽度,单位是mm,一般轮胎的宽度在145—285mm之间,间隔为10mm;
50是扁平比,即轮胎胎壁高度和胎面宽度的比例,50代表50%,一般轮胎的扁平比在30%—80%之间,正常情况下,普通轿车不应使用扁平比>75%的轮胎,豪华轿车和高性能跑车推荐采用扁平比<60%的轮胎;
R是英文Radial的缩写,表示轮胎为辐射层结构,15是轮辋的外径,单位是英寸。
94V是轮胎的最大承重和最大速度
94表示轮胎的最大承重是670公斤
V表示轮胎可以承受的最高速度是240公里
常见最大承重和速度表如下

回答2:

举例:205/55R16 91V
205的胎宽205毫米,55的扁平比百分之55,R是子午线轮胎的意思,16表示这是16英寸直径的轮胎。 91是负重指数,V是速度等级。

回答3:

以195/55R16  87V为列

195---轮胎名义断面宽(轮胎最宽处),一般认为是195mm,实际比这个稍小

55--扁平比,轮胎断面高度与轮胎断面宽度的比值是55%

R--RADIAL子午线轮胎

16--轮辋尺寸是16寸的

87--轮胎的负荷指数

V--速度级别(常用的T=190KM/H,H=210KM/H,V=240KM/H,W=270KM/H)

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