1 Scope
This standard specifies the designation method, basic dimensions and specification of water pump bearings (hereinafter referred to as “bearings”).
This standard is applicable to the water pump bearings used for combustion engines in automobiles, tractors and engineering machineries.
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 correction 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 307.2-2005 Rolling Bearings - Measuring and Gauging Principles and Methods (ISO 1132-2:2001, Rolling bearings- Tolerances- Part 2: Measuring and gauging principles and methods, MOD)
GB/T 2828.1-2003 Sampling Procedures for Inspection by Attributea - Part 1: Sampling Schemes Indexed by Acceptance Quality Limit(AQL) for Lot-by-Lot Inspection (ISO 2859-1:1999, IDT)
GB/T 2829-2002 Sampling Procedures and Tables for Periodic Inspection by Attributes (Apply to Inspection of Process Stability)
GB/T 3203-1982 Specification for Carburizing Steels of Bearings
GB 7324-1994 General Purpose Lithium Lubricating Grease
GB/T 8597-2003 Rolling Bearings - Rust Proof Packaging
GB/T 18254-2002 High-carbon Chromium Bearing Steel
GB/T 24605-2009 Rolling Bearings - Marking for Products
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 3573-2004 Rolling Bearings - Methods for the Measurement of Radial Internal Clearance
JB/T 5313-2001 Rolling Bearing - Measuring Methods for Vibration (Velocity)
JB/T 5314-2002 Rolling bearing - 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 7048-2002 Rolling Bearing Parts - Plastic Cage - Specification
JB/T 7051-2006 Rolling Bearing Parts - Methods for the Measurement and Assessment of Surface Roughness
JB/T 8571-2008 Rolling Bearings - Sealed Deep Groove Ball Bearings - Performance Test Rule of Dustproofing, Grease Leakage and Temperature Rise
JB/T 8881-2001 Specifications for Carburizing Heat Treatment of Rolling Bearing Parts
1 Scope
This standard specifies the designation method, basic dimensions and specification of water pump bearings (hereinafter referred to as “bearings”).
This standard is applicable to the water pump bearings used for combustion engines in automobiles, tractors and engineering machineries.
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 correction 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 307.2-2005 Rolling Bearings - Measuring and Gauging Principles and Methods (ISO 1132-2:2001, Rolling bearings- Tolerances- Part 2: Measuring and gauging principles and methods, MOD)
GB/T 2828.1-2003 Sampling Procedures for Inspection by Attributea - Part 1: Sampling Schemes Indexed by Acceptance Quality Limit(AQL) for Lot-by-Lot Inspection (ISO 2859-1:1999, IDT)
GB/T 2829-2002 Sampling Procedures and Tables for Periodic Inspection by Attributes (Apply to Inspection of Process Stability)
GB/T 3203-1982 Specification for Carburizing Steels of Bearings
GB 7324-1994 General Purpose Lithium Lubricating Grease
GB/T 8597-2003 Rolling Bearings - Rust Proof Packaging
GB/T 18254-2002 High-carbon Chromium Bearing Steel
GB/T 24605-2009 Rolling Bearings - Marking for Products
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 3573-2004 Rolling Bearings - Methods for the Measurement of Radial Internal Clearance
JB/T 5313-2001 Rolling Bearing - Measuring Methods for Vibration (Velocity)
JB/T 5314-2002 Rolling bearing - 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 7048-2002 Rolling Bearing Parts - Plastic Cage - Specification
JB/T 7051-2006 Rolling Bearing Parts - Methods for the Measurement and Assessment of Surface Roughness
JB/T 8571-2008 Rolling Bearings - Sealed Deep Groove Ball Bearings - Performance Test Rule of Dustproofing, Grease Leakage and Temperature Rise
JB/T 8881-2001 Specifications for Carburizing Heat Treatment of Rolling Bearing Parts