Standard No.:	JB/T 8923-2010
English Name:	Rolling bearings-Specifications for vibration (acceleration) of steel balls
Chinese Name:	滚动轴承 钢球振动（加速度）技术条件
Chinese Classification:	J11    Rolling bearing
Professional Classification:	JB    Professional Standard - Machinery
ICS Classification:	21.100.20 21.100.20    Rolling bearings 21.100.20
Source Content Issued by:	State Economic and Trade Commission
Issued on:	2010-2-11
Implemented on:	2010-7-1
Status:	valid
Superseding:	JB/T 8923-1999 Rolling bearings. Specifications of vibration (acceleration)for steel balls
Target Language:	English
File Format:	PDF
Word Count:	2000 words
Translation Price(USD):	184.0
Delivery:	via email in 1 business day

1 Scope This standard specifies the technical requirements, measuring methods and gauging rules for the vibration (acceleration) of steel ball products (with a diameter of 3mm~30.162mm and a tolerance grade of G20) for ball bearings specified in GB/T 308. This standard is applicable to the gauging and acceptance of steel ball products with vibration level requirements from the manufacturers and users. 2. Normative References The following normative documents contain provisions which, through reference in this text, constitute provisions of this standard. For dated reference, subsequent amendments to (excluding the corrected contents), or revisions of, any of these publications do not apply. However, parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the standards indicated below. For any undated references, the latest edition of the document referred to applies.

Foreword 1 Scope 2. Normative References 3 Terms and Definitions 4 Calculation of Steel Ball Vibration Acceleration Level 5 Technical Requirements 6 Measuring Methods 6.1 Measuring Environment 6.2 Measuring Principle 6.3 Measuring Conditions 6.4 Measuring Procedures 7 Gauging Rules