Standard No.:	JB/T 10861-2008
Chinese Name:	滚动轴承 钢球表面缺陷 图册及评定方法
English Name:	Rolling bearings—Atlas and the assessment methods for surface imperfections of steel balls
Professional Classification:	J11 Rolling bearing
Professional Classification:	JB Professional Standard - Machinery
ICS Classification:	21.100.20 Rolling bearings
Issued by:
Issued on:	2008-03-12
Implemented on:	2008-09-01
Status:	VALID
Replace:	JB/T53404.1－1994
Language:	English
File Format:	PDF
Word Count:	9500 words
Price(USD):	285 (USD)
Delivery:	via email in 1-3 business day

1 Scope

This standard specifies the method to assess surface imperfections of the steel ball for the bearing.
This standard is applicable to the bearing steel ball with the dimensional range of 0.3~50mm and the tolerance grades respectively being 3, 5, 10, 16, 20, 24 and 28 as specified in GB/T 308-2002, and used for the commercial steel ball or the steel ball before bearing assembly.

2 Normative References

The following documents contain provisions which, through reference in this standard, constitute provisions of this standard. For dated references, subsequent amendments to (excluding corrections to), or revisions of, any of these publications do not apply. However, the parties coming to an agreement based on this standard are encouraged to investigate whether the most recent editions of the standards apply. For undated references, the latest editions apply.
GB/T 308-2002 "Rolling Bearings - Steel Balls"
GB/T 2828.1-2003 "Sampling Procedures for Inspection by Attributea-Part 1: Sampling Schemes Indexed by Acceptance Quality Limit (AQL) for Lot-by-lot Inspection" (ISO 2859-1: 1999, IDT)
GB/T 15757-2002 "Geometrical Product Specification (GPS) - Surface Imperfections - Terms, Definitions and Parameters" (eqv ISO 8785: 1998)
JB/T 8921-1999 "Rolling Bearings and Commercial Parts - Inspection Rules"