Standard No.:	JB/T 5304-2007
English Name:	Rolling bearings-Insert bearings-Radial internal clearance
Chinese Name:	滚动轴承 外球面球轴承 径向游隙
Chinese Classification:	J11    Rolling bearing
Professional Classification:	JB    Professional Standard - Machinery
ICS Classification:	21.100.20 21.100.20    Rolling bearings 21.100.20
Issued by:	NDRC
Issued on:	2007-03-06
Implemented on:	2007-9-1
Status:	valid
Superseding:	JB/T 5304-1991
Language:	English
File Format:	PDF
Word Count:	1000 words
Price(USD):	224.00
Delivery:	via email in 1 business day

1 Scope



This standard specifies the radial internal clearance value of insert bearing and its measuring principles.

This standard is applicable to the insert bearings with the cylindrical bores having top threads and eccentric locking collar as well as those with the taper bore having adapter sleeve.

This standard is not applicable to the insert bearing with flat heads on the both ends, and the radial internal clearance value of the insert bearing with flat heads on the both ends shall meet the requirements of GB/T 4604-2006.

Contents
Foreword I
1 Scope
2 Normative References
3 Definitions
4 Symbols
5 Radial Internal Clearance Value
6 Code Mark of Radial Internal Clearance
7 Measuring Principles of Radial Internal Clearance