JB/T 13348-2017Rolling bearings - Bearings for lift traction machines (English PDF)

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.