1.1 本规范涵盖了刚性或平座型、双通道座圈表面、推力滚柱轴承的要求。 1.2 预期用途- 本规范中涵盖的轴承适用于施加纯推力负载的慢速旋转或振荡应用。 1.3 本规范包含MS17169的许多要求，MS17169最初由国防部开发，由位于里士满的国防供应中心维护。以下政府活动代码可在国防部标准化目录SD-1中找到。 2. 准备活动 保管人 审查活动 DLA-GS4 陆军位于 陆军MI 海军MC 空军-84 空军-99 DLA-GS4 1.4 出于设计特点的目的，本规范优先于此处引用的采购文件。 1.5 以英寸-磅为单位的数值应视为标准值。括号中给出的值是到国际单位制的数学转换，仅供参考，不被视为标准值。 1.6 本标准并非旨在解决与其使用相关的所有安全问题（如有）。本标准的用户有责任在使用前制定适当的安全、健康和环境实践，并确定监管限制的适用性。 1.7 本国际标准是根据世界贸易组织技术性贸易壁垒（TBT）委员会发布的《关于制定国际标准、指南和建议的原则的决定》中确立的国际公认标准化原则制定的。

1.1 This specification covers requirements for rigid or flat seat type, two channeled race surface, thrust roller bearings. 1.2 Intended Use— The bearings covered in this specification are intended for use in slow rotating or oscillating applications where pure thrust loads are applied. 1.3 This specification contains many of the requirements of MS17169, which was originally developed by the Department of Defense and maintained by the Defense Supply Center in Richmond. The following government activity codes may be found in the Department of Defense, Standardization Directory SD-1. 2 Preparing Activity Custodians Review Activities DLA-GS4 Army-AT Army-MI Navy-MC Air Force-84 Air Force-99 DLA-GS4 1.4 For design feature purposes, this specification takes precedence over procurement documents referenced herein. 1.5 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard. 1.6 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use. 1.7 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.