Standard No.:	GB/T 271-2008
English Name:	Rolling bearings - Classification
Chinese Name:	滚动轴承 分类
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:	CMIF
Issued on:	2008-2-28
Implemented on:	2008-8-1
Status:	superseded
Superseded by:	GB/T 271-2017 Rolling bearings—Classification
Superseded on:	2017-12-1
Superseding:	GB/T 271-1997 Rolling bearings―Classification
Language:	English
File Format:	PDF
Word Count:	3000 words
Price(USD):	439.0
Delivery:	via email in 1 business day

1 Scope This standard specifies the classification of rolling bearings. This standard is applicable to the classification management of rolling bearing products. 2 Normative References The following normative documents contain provisions which, through reference in this text, constitute provisions of this standard. For dated references, subsequent amendments to (excluding corrections to), or revisions of, any of these publications do not apply. However, all parties coming to an agreement according to this standard are encouraged to study whether the latest editions of these documents are applicable. For undated references, the latest edition of the referenced document applies. GB/T 276-1994 Rolling Bearings-Deep Groove Ball Bearings-Boundary Dimensions GB/T 281-1994 Rolling Bearings-Self-aligning Ball Bearings-Boundary Dimensions GB/T 283-2007 Rolling Bearings-Cylindrical Roller Bearings-Boundary Dimensions GB/T 285-1994 Rolling Bearings-Double Row Cylindrical Roller Bearings-Boundary Dimensions GB/T 288-1994 Rolling Bearings-Self-aligning Roller Bearings-Boundary Dimensions GB/T 290-1998 Rolling Bearings -Needle Roller Bearings, Drawn Cup without Inner Rings-Boundary Dimensions (neq ISO 3245: 1997) GB/T 292-2007 Rolling Bearings-Angular Contact Ball Bearings-Boundary Dimensions GB/T 294-1994 Rolling Bearings-Three-point and Four-point Contact Ball Bearings-Boundary Dimensions GB/T 296-1994 Rolling Bearings - Double Row Angular Contact Ball Bearings - Boundary Dimensions GB/T 297-1994 Rolling Bearings-Tapered Roller Bearings-Boundary Dimensions GB/T 299-2008 Rolling Bearings-Double Row Tapered Roller Bearings-Boundary Dimensions GB/T 300-2008 Rolling bearings-Four Row Tapered Roller Bearings-Boundary Dimensions GB/T 301-1995 Rolling Bearings-Thrust Ball Bearings-Boundary Dimensions CB/T 3882-1995 Rolling Bearings - Insert Bearings and Eccentric Looking Collars-Boundary Dimensions (neq ISO 9628: 1992) GB/T 4605-2003 Rolling Bearings-Thrust Needle Roller and Cage Assemblies, Thrust Washers (ISO 3031: 2000, NEQ) GB/T 4663-1994 Rolling Bearings-Cylindrical Thrust Roller Bearings-Boundary Dimensions GB/T 5801-2006 Rolling Bearings-Needle Roller Bearings, Dimension Series 48, 49 and 69-Boundary Dimensions and Tolerances (ISO 1206: 2001, MOD) GB/T 5859-2008 Rolling Bearings-Self-aligning Thrust Roller Bearings-Boundary Dimensions GB/T 6445-2007 Rolling Bearings-Needle Roller Bearings-Track Rollers-Boundary Dimensions and Tolerances (ISO 7063: 2003, MOD) GB/T 6930-2002 Rolling Bearings-Vocabulary (ISO 5593: 1997, IDT) GB/T 16643-1996 Rolling Bearings-Combined Needle Roller - Thrust Roller Bearings - Boundary Dimensions GB/T 20056-2006 Rolling Bearings-Radial Needle Roller and Cage Assemblies-Dimensions and Tolerances (ISO 3030: 1996, MOD) JB/T 3122-2007 Rolling Bearings-Combined Needle Roller Bearings with Thrust Ball Bearing-Boundary Dimensions JB/T 3123-2007 Rolling Bearings-Combined Needle Roller Bearings with Angular Contact Ball Bearings-Boundary Dimensions JB/T 6362-2007 Rolling Bearings-Double-direction Angular Contact Thrust Ball Bearings for Machine-tool Spindle JB/T 6644-2007 Rolling Bearings-Combined Needle Roller Bearings with Double Direction Thrust Roller Bearings JB/T 8564-1997 Rolling Bearings-Angular Contact Thrust Ball Bearings Used for Machine Tool Screws JB/T 8717-1998 Rolling Bearings-Angular Contact Thrust Ball Bearings for Steering-Gear JB/T 10188-2000 Thrust Bearing for Auto King Pin 3 Definitions

Contents Foreword I 1 Scope 2 Normative References 3 Definitions 4 Classification of Structural Types of Rolling Bearings 5 Dimensional Classification of Rolling Bearings Appendix A (Normative) Structure Chart for Comprehensive Classification of Rolling Bearings Appendix B (Normative) Classification of the Structural Types of General Rolling Bearings