1 Scope
This standard specifies the specifications for paired and multi-unite matched angular contact ball bearings (hereinafter referred to as matched bearings) with boundary dimensions consistent with GB/T 292-2007.
This standard is applicable to the production, inspection, customer acceptance and application of matched bearings.
2 Normative References
The following normative documents contain provisions which, through reference in this text, constitute provisions of this standard. For dated references, subsequent amendments to (excluding amending errors in the text), or revisions of, any of these publications do not apply. However, all parties coming to an agreement according to this standard are encouraged to study whether the latest edition of the normative document is applicable. For undated references, the latest edition of the normative document applies.
GB/T 272-1993 Rolling Bearing - Identification Code
GB/T 275-1993 Shaft and Housing Fits for Rolling Bearings
GB/T 292-2007 Rolling Bearings - Angular Contact Ball Bearings - Boundary Dimensions
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 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 24605-2009 Rolling Bearings - Marking for Products
GB/T 24608-2009 Rolling Bearings and Commercial Parts - Inspection Rules
JB/T 2974-2004 Rolling Bearing - Identification Code - Supplemental Regulations
Contents
Foreword I
1 Scope
2 Normative References
3 Terms and Definitions
4 Symbols
5 Matching Structural Type
6 Technical Requirements
7 Measuring Methods
8 Inspection Rules
9 Marking
10 Packaging
Appendix A (Normative) Tolerances of Class 4A and Class 2A
Appendix B (Informative) Fit between Matched Bearing with Tolerance Class of 5 or Above and Shaft or Housing
