标准编号：ISO 21250-1:2020
中文名称：滚动轴承 滚动轴承润滑脂的噪音试验 第1部分：基本原理、试验组件和试验机
英文名称：Rolling bearings — Noise testing of rolling bearing greases — Part 1: Basic principles, testing assembly and test machine
发布日期：2020-07
标准范围
This document specifies:
— basic principles, testing assembly and the test machine for noise testing of rolling bearing greases;
— symbols used in the test methods BQ+, MQ and NQ.
This document is applicable for testing rolling bearing greases, especially of unused grease.
NOTE Suitable greases are greases of NLGI classes 1 to 3 according to DIN 51818 . Suitable greases for lubrication of rolling bearings are especially greases according to ISO 12924. The test method according to this document delivers meaningful results for rolling bearings; however, it can also be applied for greases in similar applications .
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