Standard No.:	JB/T 13348-2017
English Name:	Rolling bearings-Bearings for traction machine of electric lift
Chinese Name:	滚动轴承 电梯曳引机用轴承
Professional Classification:	JB    Professional Standard - Machinery
Issued by:	Ministry of Industry and Information Technology
Issued on:	2017-11-07
Implemented on:	2018-4-1
Status:	valid
Language:	English
File Format:	PDF
Word Count:	2000 words
Price(USD):	254.0
Delivery:	via email in 1 business day

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.

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