1 Scope
This standard specifies the designation method, structural type, boundary dimensions, technical requirements, test methods, inspection rules, marking, rustproof packaging and storage of rolling bearings (hereinafter referred to as "bearings") for railway wagon.
This standard is applicable to the bearings used under the conditions that the speed per hour is not greater than 160 km/h, it is used for the production, inspection and acceptance of bearings.
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 edition of the normative document is applicable. For undated references, the latest edition of the normative document applies.
GB/T 272-1993 Rolling Bearing-Identification Code
GB/T 307.2-2005 Rolling Bearings - Measuring and Gauging Principles and Methods (ISO 1132-2: 2001, MOD)
GB/T 699-1999 Quality Carbon Structural Steels
GB/T 3203-1982 Specification for Carburizing Steels of Bearings
GB/T 4199-2003 Rolling Bearings - Tolerances - Definitions (ISO 1132-1: 2000, MOD)
GB/T 6930-2002 Rolling Bearings - Vocabulary (ISO 5593: 1997, IDT)
GB/T 7811-2007 Rolling Bearings - Symbols for Quantities (ISO 15241: 2001, IDT)
GB/T 8597-2003 Rolling Bearings-Rust Proof Packaging
GB/T 13237-1991 Cold-rolled Quality Carbon Structural Steel Sheets and Strips
GB/T 18254-2002 High-carbon Chromium Bearing Steel
GB/T 24605-2009 Rolling Bearings-Marking for Products
GB/T 24608-2009 Inspection Rules for Rolling Bearings and Commercial Parts
JB/T 1255 -2001 Specification for Heat-treatment of Rolling Bearing Parts Made from High Carbon Chromium Steel
JB/T 2974-2004 Rolling Bearings - Identification Code - Supplemental Regulations
JB/T 5391-2007 Rolling Bearings-Magnetic Particle Inspection Code of Rolling Bearing Parts for Railway Locomotive and Rolling Stock
JB/T 5392-2007 Rolling Bearings-Crack Test of Rolling Bearings Parts for Railway Locomotive and Rolling Stock
JB/T 6641-2007 Rolling Bearings - Residual Magnetism and Its Assessment Method
JB/T 7048-2002 Rolling Bearing Parts - Plastic Cage - Specifications
JB/T 7051-2006 Rolling Bearing Parts-Methods for the Measurement and Assessment of Surface Roughness
JB/T 7361-2007 Rolling Bearings - Test Method for Hardness of Parts
JB/T 8881-2001 Specifications for Carburizing Heat Treatment of Rolling Bearing Parts
TB/T 3010-2001 Ordering Technical Specifications for High-carbon Chromium Bearing Steel of Rolling Bearings for Railway Vehicle
Contents
Foreword I
1 Scope
2 Normative References
3 Terms and Definitions
4 Symbols
5 Designation Methods
6 Structural Types
7 Boundary Dimensions
8 Technical Requirements
9 Test Methods
10 Inspection Rules
11 Marking
12 Rustproof Packaging
13 Storage
Appendix A (Normative) Assessment Methods for Cleanliness
