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