Standard No.:	GB/T 7218-2013
English Name:	Rolling bearings - Miniature radial ball bearings with flanged outer ring - Boundary dimensions
Chinese Name:	滚动轴承 凸缘外圈微型向心球轴承 外形尺寸
Chinese Classification:	J11    Rolling bearing
Professional Classification:	GB    National Standard
ICS Classification:	21.100.20 21.100.20    Rolling bearings 21.100.20
Issued by:	AQSIQ, SAC
Issued on:	2013-9-18
Implemented on:	2014-6-1
Status:	valid
Superseding:	GB/T 7218-1995 Rolling bearings - Miniature radial ball bearings with flanged outer ring - Boundary dimensions
Language:	English
File Format:	PDF
Word Count:	2500 words
Price(USD):	204.0
Delivery:	via email in 1 business day

This standard specifies the boundary dimensions of miniature deep groove ball bearings with flanged outer ring with or without dust cap whose basic boundary dimensions meet GB 273.3-1999, flange dimensions meet GB 7217-2013, bore diameter is 0.6~10mm and diameter series are 7, 8, 9, 0, 2 and 3 as well as separable miniature angular contact ball bearings with flanged outer ring with or without dust cap whose diameter series are 8 and 9. This standard is applicable to the design and selection of miniature radial ball bearings with flanged outer ring.

Foreword I 1 Scope 2 Normative References 3 Terms and Definitions 4 Symbols 5 Code 6 Marking 7 Boundary Dimensions

* GB/T 272-1993 Rolling bearing - Identification code
* GB/T 273.3-1999 Rolling bearings—Radial bearings—Boundary dimensions,general plan
* GB/T 274-2000 Rolling bearings - Chamfer dimension - Maximum values
* GB/T 5800.1-2012 Rolling bearings—Instrument precision bearings—Part 1:Boundary dimensions,tolerances and characteristics of metric series bearings
* GB/T 6930-2002 Rolling bearings - Vocabulary
* GB/T 7217-2013 Rolling bearings-Radial ball bearings with flanged outer ring—Flange dimensions
* GB/T 7811-2007 Rolling bearings—Symbols for quantities
* JB/T 2974-2004 Rolling bearings-Identification code-Supplemental regulations