These bearing types also feature two flanges on the inner ring but only one flange on the outer ring.
这些类型的轴承还具有两个内圈，但只有一个外圈法兰法兰。
As train wheels, bike rims, bearing ring, piping flange tray and piping link piece etc, ring with outer stepped is applied widely.
台阶截面环件轧制作为火车轮、自行车圈、轴承环、管道法兰盘、管道联接件等部件的主要生产方式，应用极广。
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