Standard No.:	GB/T 6391-2003
English Name:	Rolling bearings―Dynamic load ratings and rating life
Chinese Name:	滚动轴承 额定动载荷的额定寿命
Chinese Classification:	J11    Rolling bearing
Professional Classification:	GB    National Standard
ICS Classification:	21.100.20 21.100.20    Rolling bearings 21.100.20
Source Content Issued by:	AQSIQ
Issued on:	2003-11-25
Implemented on:	2004-6-1
Status:	superseded
Superseded by:	GB/T 6391-2010 Rolling bearings—Dynamic load ratings and rating life
Superseded on:	2011-10-1
Superseding:	undefinedGB/T 6391-1995
Target Language:	English
File Format:	PDF
Word Count:	8500 words
Translation Price(USD):	250.00
Delivery:	via email in 1~3 business day

本标准规定了滚动轴承基本额定动载荷的计算方法，它适用地尺寸范围符合有关国家标准规定、采用当代常用高质量淬硬轴承钢，按良好的加工方法制造，且滚动接触表面的形太基本上为常规设计的滚动轴承。本标准还规定了基本额定寿命的计算方法，该寿命是与90%的可靠度、常用高质量材料和良好加工质量以及常规运转条件相关的寿命。此外，本标准还规定了考虑不同可靠度、特殊轴承性能和特定运转条件，利用寿命修正系数计算修正额定寿命的方法。