Codeofchina.com is in charge of this English translation. In case of any doubt about the contents of English translation, the Chinese original shall be considered authoritative.
This standard is drafted in accordance with the rules given in GB/T 1.1-2009.
This standard was proposed by China Machinery Industry Federation.
This standard was prepared by SAC/TC 98 (National Technical Committee 98 on Rolling Bearing of Standardization Administration of China).
This standard was issued as first edition.
Rolling Bearings — Bearings for Traction Machine of Electric Lift
1 Scope
This standard specifies the identification codes, structural types, boundary dimensions, technical requirements, test methods, inspection rules, marking and packaging of bearing for gearless permanent magnet synchronous traction machine (hereinafter referred to as "traction machine") of electric lift.
This standard is applicable to the production, inspection and acceptance of bearings for traction machine (hereinafter referred to as "bearings").
2 Normative References
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB/T 272-2017 Rolling Bearing — Identification Code
GB/T 276-2013 Rolling Bearings — Deep Groove Ball Bearings — Boundary Dimensions
GB/T 288-2013 Rolling Bearings — Self-aligning Roller Bearings — Boundary Dimensions
GB/T 307.1-2005 Rolling Bearings — Radial Bearings — Tolerances
GB/T 307.2-2005 Rolling Bearings — Tolerances Gauging Practice
GB/T 307.3-2017 Rolling Bearings — General Technical Regulations
GB/T 1176-2013 Casting Copper and Copper Alloys
GB/T 2828.1-2012 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 4604.1-2012 Rolling Bearings — Internal Clearance — Part 1: Radial Internal Clearance for Radial Bearings
GB/T 5213-2008 Cold Rolled Low Carbon Steel Sheet and Strip
GB/T 6930-2002 Rolling Bearings — Vocabulary
GB/T 7811-2015 Rolling Bearings — Symbols for Quantities
GB/T 8597-2013 Rolling Bearings — Rust Proof Packaging
GB/T 18254-2016 High-carbon Chromium Bearing Steel
GB/T 24605-2009 Rolling Bearings — Marking for Products
GB/T 24606-2009 Rolling Bearings — Non-destructive Testing — Magnetic Particle Testing
GB/T 24607-2009 Rolling Bearings — Test and Assessment for Life and Reliability
GB/T 24610.2-2009 Rolling Bearings — Measuring Methods for Vibration — Part 2: Radial Ball Bearings with Cylindrical Bore and Outside Surface
GB/T 24610.3-2009 Rolling Bearings — Measuring Methods for Vibration — Part 2: Radial Spherical and Tapered Roller Bearings with Cylindrical Bore and Outside Surface
GB/T 25769-2010 Rolling Bearings — Methods for the Measurement of Radial Internal Clearance
GB/T 32321-2015 Rolling Bearings — Sealed Deep Groove Ball Bearings — Performance Test Rule of Dustproofing, Grease Leakage and Temperature Rise
GB/T 32325-2015 Rolling Bearings — Specifications of Vibration (Acceleration) for Deep Groove Ball Bearings
GB/T 32333-2015 Rolling bearing — Measuring Methods for Vibration (Acceleration)
GB/T 32562-2016 Rolling Bearings — Measuring Methods for Friction Torque
GB/T 34891-2017 Rolling Bearings — Parts Made from High-carbon Chromium Bearing Steels — Specifications for Heat Treatment
JB/T 6639-2015 Rolling Bearing Parts — Rubber Seals Reinforced with a Sheet Steel Insert — Specifications
JB/T 6641-2017 Rolling Bearings — Residual Magnetism and Its Assessment Method
JB/T 7050-2005 Rolling Bearings — Assessment Methods for Cleanliness
JB/T 7051-2006 Rolling Bearing Parts — Methods for the Measurement and Assessment of Surface Roughness
3 Terms and Definitions
For the purpose of this document, the terms and definitions given in GB/T 4199-2003, GB/T 6930-2002 and the following apply.
4 Symbol
For the purposes of this document, the symbols given in GB/T 7811-2015 apply.
5 Identification Code
For the purposes of this document, the codes given in GB/T 272-2017 apply.
6 Structural Type
The primary structural types of bearings for traction machine as shown in Figures 1 and 2.
Foreword I
1 Scope
2 Normative References
3 Terms and Definitions
4 Symbol
5 Identification Code
6 Structural Type
7 Boundary Dimensions
8 Technical Requirements
9 Test Method
10 Inspection Rule
11 Marking
12 Rustproof Packaging