This standard specifies the definitions, designation method, structural type, technical requirements, inspection rules and test methods of tensioner and idler bearings for automotive engine (hereinafter referred to as bearings) and of tensioner and idler units (hereinafter referred to as units).
This standard is applicable to the production and inspection of bearing manufacturers and the 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 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 307.1-2005 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, Rolling bearings-Tolerances-Part 2: Measuring and gauging principles and methods, MOD)
GB/T 307.3-2005 Rolling Bearings-General Technical Regulations
GB/T 308-2002 Rolling Bearings-Steel Balls (ISO 3290: 1998, NEQ)
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/T 4604-2006 Rolling Bearings-Radial Internal Clearance(ISO 5753: 1991, MOD)
GB/T 8597-2003 Rolling Bearings-Rust Proof Packaging
