本SAE推荐实施规程包含了卡车和公共汽车应用中有关盘式车轮与轮毂或卷筒接口区域的尺寸及其公差。本文件不包括仅为轻型卡车的单轮应用（非双轮）和特殊或不太常见的应用而设计的盘式车轮。

This SAE Recommended Practice contains dimensions and their tolerances concerning disc wheel to hub or drum interface areas for truck and bus applications. Disc wheels designed only for single wheel applications (not dual wheels) for light trucks and special or less common applications are not covered in this document.