本文件规定了滚动轴承球和滚柱用预处理氮化硅材料的要求。本文件提供了定义氮化硅预处理轴承滚动体材料物理和机械性能的分类。根据特性和微观结构的规格，材料分为三类。附录A中提供了样品制备和微观结构观察的方法。交叉参考: ISO 14704:2016ISO 20501:2003第1版（R09）ISO 17561:2016ISO 14627:2012ISO 17562:2016ISO 20507:2014ISO 14705:2016ISO 18754:2013 ED2ASTM F2730/F2730M-14ISO 4499-4:2016购买本文件时提供的所有当前修订版均包括在内。

This document specifies the requirements for preprocessed silicon nitride materials for rolling bearing balls and rollers.This document provides a classification defining physical and mechanical properties of silicon nitride preprocessed bearing rolling element materials. The materials are classified in three categories by the specification of characteristics and microstructures. Methods for sample preparation and observation of microstructures are provided in Annex A.Cross References:ISO 14704:2016ISO 20501:2003 Ed 1 (R09)ISO 17561:2016ISO 14627:2012ISO 17562:2016ISO 20507:2014ISO 14705:2016ISO 18754:2013 ED2ASTM F2730/F2730M - 14ISO 4499-4:2016All current amendments available at time of purchase are included with the purchase of this document.