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JB/T 8880-2010Rolling bearings - Deep groove ball bearings for electric motors - Specifications (English PDF)

滚动轴承 电机用深沟球轴承 技术条件

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Issued by

MIIT

Level / Type

Industry · Recommended

Issue date

February 11, 2010

Implementation date

July 1, 2010

Scope

JB/T 8880-2010 is the English-translated version of 滚动轴承 电机用深沟球轴承 技术条件.

JB/T 8880-2010 is the Chinese standard "Rolling bearings - Deep groove ball bearings for electric motors - Specifications".

Its scope clause reads: This standard specifies the technical requirements, measurement and test methods, inspection rules, marking, rust prevention and packaging of deep groove ball bearings (hereinafter referred to as "bearings") with the bore diameter of 3 mm ~ 120 mm for electric motors for general purposes.

This standard is applicable to the production and inspection of the bearing manufacturer and customer acceptance.

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Document preview — JB/T 8880-2010

National Standard of the People's Republic of China

Replacing
JB/T 8880-2000

Issued by: Ministry of Industry and Information Technology of the People's Republic of China

Contents

  • 1 Scope
  • 2 Normative References
  • 3 Symbols
  • 4 Designation Methods
  • 5 Technical Requirements
  • 5.1 Materials and Heat Treatment of Rings and Rolling Elements
  • 5.2 Cage
  • 5.3 Seal and Shield
  • 5.4 Tolerance
  • 5.5 Surface Roughness
  • 5.6 Radial Internal Clearance
  • 5.7 Fits
  • 5.8 Cleanliness
  • 5.9 Residual Magnetism
  • 5.10 Lubricating and Sealing Performance
  • 5.11 Vibration
  • 5.12 Friction Moment
  • 5.13 Others
  • 6 Measurement and Test Methods
  • 6.1 Tolerance
  • 6.2 Surface Roughness
  • 6.3 Radial Internal Clearance
  • 6.4 Cleanliness
  • 6.5 Residual Magnetism
  • 6.6 Dust Proofing, Grease Leakage and Temperature Rise Performance
  • 6.7 Vibration
  • 7 Inspection Rules
  • 7.1 Delivery Inspection
  • 7.2 Type Inspection
  • 8 Marking
  • 9 Packaging
  • Appendix A (Normative) Fits of Bearing with Shaft and Housing Hole

1 Scope

This standard specifies the technical requirements, measurement and test methods, inspection rules, marking, rust prevention and packaging of deep groove ball bearings (hereinafter referred to as "bearings") with the bore diameter of 3 mm ~ 120 mm for electric motors for general purposes.

This standard is applicable to the production and inspection of the bearing manufacturer and customer acceptance.

2 Normative References

The following standards contain provisions which, through reference in this text, constitute provisions of this standard. For dated reference, subsequent amendments to (excluding corrections to), or revisions of, any of these publications do not apply. However, the parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the standards. For undated references, the latest edition of the normative document referred to applies.

GB/T 272-1993 Rolling Bearing-Identification Code

GB/T 307.1-2005 Rolling Bearings-Radial Bearings-Tolerances(ISO 492: 2002, MOD)

GB/T 307.2-2005 Rolling Bearings-Measuring and Gauging Principles and Methods (ISO 1132-2: 2001, Roiling beatings-Tolerances - Part 2: Measuring and gauging principles and methods, MOD)

GB/T 307.3-2005 Rolling Bearings-General Technical Regulations

GB/T 2828.1-2003 Sampling Procedures for Inspection by Attributes-Part 1: Sampling Schemes Indexed by Acceptance Quality Limit (AQL) for Lot-by-lot Inspection (ISO2859-1: 1999, IDT)

GB/T 781l-2007 Rolling Bearings-Symbols for Quantities (ISO 1524l: 2001, IDT)

GB/T 8597-2003 Rolling Bearings-Rust Proof Packaging

GB/T 18254-2002 High-carbon Chromium Bearing Steel

JB/T 1255-2001 Specification for Heat-treatment of Rolling Bearing Parts Made from High Carbon Chromium Steel

JB/T 2781-2005 Rolling Bearings-Miniature Ball Bearings-Specifications

JB/T 2974-2004 Rolling Bearings-Identification Code-Supplemental Regulations

JB/T 3573-2004 Rolling Bearings-Methods for the Measurement of Radial Internal Clearance

JB/T 3574-1997 Rolling Bearings-Marking for Products

JB/T 5313-2001 Rolling Bearing-Measuring Methods for Vibration (Velocity)

JB/T 5314-2002 Rolling Bearings-Measuring Methods for Vibration (Acceleration)

JB/T 6639-2004 Rolling Bearing Parts-Skeleton Acrylonitrile-buta-diene Copolymers Seal-Specifications

JB/T 6641-2007 Rolling Bearings-Residual Magnetism and Its Assessment Method

JB/T 7047-2006 Rolling Bearings-Specifications of Vibration (Acceleration) for Deep Groove Ball Bearings

JB/T 7048-2002 Rolling Bearing Parts-Plastic Cage-Specifications

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

JB/T 7752-2005 Rolling Bearings-Sealed Deep Groove Ball Bearings-Specifications

JB/T 8571-2008 Rolling Bearings-Sealed Deep Groove Ball Bearings-Performance Test Rule of Dustproofing, Grease Leakage and Temperature Rise

JB/T 10187-2000 Rolling Bearings-Deep Groove Ball Bearing Vibration (Velocity)-Specifications

JB/T 10239-2001 Rolling Bearings-Specifications of Curled Shield for Deep Groove Ball Bearings

JB/T 10336-2002 Rolling Bearings and Parts-Supplementary Specifications

JB/T 10337-2002 Rolling Bearing Parts-Pressing Cage-Specifications […]

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.

Similar standards

Editions of JB/T 8880

EditionTitleRevisionStatus
JB/T 8880-2010Rolling bearings - Deep groove ball bearings for electric motors - Specificationscurrent editionCurrent
JB/T 8880-2000Rolling bearings - Deep groove ball bearings for electric motors - Specificationsprevious editionSuperseded

This page sells the current edition, JB/T 8880-2010. Earlier editions are listed for reference only.

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