Standard No.:	GB/T 27560-2011
English Name:	Rolling bearings - Cast housings for insert bearings - Specifications
Chinese Name:	滚动轴承 外球面球轴承铸造座 技术条件
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:	4000 words
Price(USD):	100.0
Delivery:	via email in 1 business day

1 Scope This standard specifies the technical requirements, measurement methods, inspection rules, marking and packaging of cast housings for insert bearings (hereinafter referred to as "cast housings"). This standard is applicable to the production, inspection and acceptance of cast housings whose boundary dimensions meet those specified in GB/T 7809-1995 and JB/T 5302-2002. 2 Normative References The following documents are indispensable for the application of this document. For dated references, only the dated edition is applicable to this document. For undated references, the latest edition (including all the amendments) applies. GB/T 275-1993 Shaft and Housing Fits for Rolling Bearings GB/T 1184-1996 Geometrical Tolerancing - Geometrical Tolerances for Features without individual Tolerance Indications GB/T 2828.1-2003 Sampling Procedures for Inspection by Attributes - Part 1: Sampling Schemes Indexed by Acceptance Quality Limit (AQL) for Lot-by-lot Inspection GB/T 4199-2003 Rolling Bearings - Tolerances - Definitions GB/T 6930-2002 Rolling Bearings - Vocabulary GB/T 7809-1995 Rolling bearings - Housings for Insert Bearing - Boundary Dimensions GB/T 8597-2003 Rolling Bearings-Rust Proof Packaging GB/T 9439-2010 Grey Iron Castings JB/T 5302-2002 Housings for Insert Bearings - Supplementary Structure - Boundary Dimensions ISO 3228: 1993 Rolling Bearings - Cast and Pressed Housings for Insert Bearings

Contents Foreword I 1 Scope 2 Normative References 3 Terms and Definitions 4 Symbols 5 Technical Requirements 6 Measurement Methods 7 Inspection Rules 8 Marking 9 Packaging, Storage and Transportation