本试验方法概述了对机身应用中使用的滚动轴承进行尺寸稳定性试验的推荐程序。本文件涵盖的轴承应为减摩球轴承和球面滚柱轴承，外圈应硬化。

This test method outlines the recommended procedure for performing dimensional stability tests on rolling element bearings used in airframe applications. Bearings covered by this document shall be antifriction ball bearings and spherical roller bearings with through-hardened outer rings.