本推荐实施规程包含接口区域外侧安装制动鼓和盘式轮毂的尺寸和公差。本推荐规程适用于7级和8级商用车上常用的外侧安装制动鼓和盘式轮毂。包括SAE J694安装系统II、III、IV、XIV和X。不包括特殊和不太常见的应用。

This recommended practice contains dimensions and tolerances for outboard mounted brake drums and disc wheel hubs in the interface areas. This recommended practice is intended for outboard mounted brake drums and disc wheel hubs commonly used on class 7 and 8 commercial vehicles. Included are SAE J694 mounting systems II, III, IV, XIV, and X. Special and less common applications are not covered.