This Standard specifies coding methods, structural types, technical requirements, measurement methods, inspection rules, markings and rustproof packaging of needle bearings (hereinafter referred to as bearings) for automobile manual transmission gear.
This Standard is applicable to the production, inspection and acceptance of bearings.
2 Normative References
The following documents contain provisions which, through reference in this text, constitute provisions of this Standard. For dated reference, subsequent amendments to (excluding the correction contents), or revisions of, any of these publications do not apply, however, parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the standards indicated below. For dated normative references, the latest edition of the 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-Tolerances-Part 2: Measuring and Gauging Principles and Methods (ISO 1132-2: 2001, MOD)
GB/T 307.3-2005 Rolling Bearings-General Technical Regulations
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 3077-1999 Alloy Structure Steels
GB/T 4199-2003 Rolling Bearings-Tolerances-Part 1: Terms and Definitions (ISO 1132-1: 2000, MOD)
GB/T 4604-2006 Rolling Bearings-Radial Internal Clearance (ISO 5753: 1991, MOD)
GB/T 4605-2003 Rolling Bearings-Thrust Needle Roller and Cage Assemblies, Thrust Washers
GB/T 6930-2002 Rolling Bearings-Vocabulary (ISO 5593: 1997, IDT)
GB/T 7811-2007 Rolling Bearings-Symbols for Quantities (ISO 15241: 2001, IDT)
GB/T 8597-2003 Rolling Bearings-Rust Proof Packaging
GB/T 13237-1991 Cold-Rolled Quality Carbon Structural Steel Shects and Strips