标准摘要
[中文适用范围]： 本文件规定了安装在车辆上的滚珠轴承转盘的尺寸，该车辆是 ISO 18868:2013 第 4 条规定的车辆组合的一部分，以确保其可互换性。本文件还适用于以下情况： — 使用滚珠轴承转盘转向前轴的牵引拖车； — 与公路拖拉机（卡车）的第五轮组装在一起以改善转向机动性的滚珠轴承转盘。 [外文原描述]： This document specifies dimensions of ball-bearing turntable when mounted on a vehicle which is part of vehicle combinations specified in of ISO 18868:2013, Clause 4, to ensure their interchangeability. This document also applies to the following: — drawbar trailers using a ball-bearing turntable to steer the front axle; — ball-bearing turntables assembled with the fifth-wheel of the road tractor (truck) to improve steering manoeuvre.
英文名称Commercial road vehicles — Ball-bearing turntable — Interchangeability