本文件规定了一种评价润滑脂在38？C还是79？在规定的实验室测试条件下。 本试验方法评估润滑脂在规定条件下对滚珠轴承冲刷的抵抗力。到目前为止，还没有建立与外勤服务的正式联系。 本文档用于开发和规范目的。 笔记？出于本文件的目的，术语“%(m/m)”用于表示质量分数。

This document specifies a method for evaluating the resistance of a lubricating grease to washout by water from a bearing, when tested at 38？°C or 79？°C under specified laboratory test conditions. This test method estimates the resistance of greases to washout from ball bearings under specified conditions. No formal correlation with field service has been established so far. This document is used for development and specification purposes. NOTE？For the purposes of this document, the term “% (m/m)” is used to represent the mass fraction.