Standard No.:	GB/T 27554-2011
English Name:	Rolling bearings—Insert bearing units—Identification code
Chinese Name:	滚动轴承 带座外球面球轴承 代号方法
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:	2011-11-21
Implemented on:	2012-6-1
Status:	valid
Language:	English
File Format:	PDF
Word Count:	2000 words
Price(USD):	164.0
Delivery:	via email in 1 business day

1 Scope This Standard specifies the identification code of the insert bearing units with housing (hereinafter referred to as insert bearings units) and those with accessories. This Standard is applicable to the insert bearing units for general purpose. 2 Normative References The following documents are indispensable for the application of this standard. For dated references, only the dated edition is applicable to this document. For undated references, the latest editions of the normative documents (including all the amendments) are applicable to this document. GB/T 272-1993 Rolling Bearing-Identification Code GB/T 6930-002 Rolling Bearings-Vocabulary GB/T 7810-1995 Rolling Bearings-Insert Bearing Units-Boundary Dimensions JB/T 2974-2004 Rolling Bearings-Identification Code-Supplemental Regulations JB/T 5303-2002 Insert Bearing Units-Supplementary Structure-Boundary Dimensions JB/T 5304-2007 Rolling Bearings-Insert Bearings-Radial Internal Clearance