1 Scope
This standard specifies the dimension, tolerance class and its technical requirements, measurement and inspection methods, inspection rules, and marking and packaging of cylindrical rollers.
This standard is applicable to the cylindrical rollers (hereinafter referred to as "rollers") for auxiliary use with rolling bearing and commodity use.
2 Normative References
The following documents contain provisions which, through reference in this standard, constitute provisions of this standard. For dated reference, subsequent amendments to (excluding error corrections), 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 307.3-1996 Rolling Bearings - General Technical Regulations
GB/T 4380-1984 Assessment of Departure from Roundness - Two and Three Point Methods (neq ISO/DIS 4292)
GB/T 6930-2002 Rolling Bearings - Vocabulary (ISO 5593: 1997, IDT)
GB/T 7811-1999 Rolling Bearings - Symbols for Quantities
GB/T 18254-2000 High-carbon Chromium Bearing Steel
JB/T 1255-2001 Specification for Heat-treatment of Rolling Bearing Parts Made from High Carbon Chromium Steel
JB/T 3034-1993 Rolling Bearings - Oil Seal Rust Proof Packaging
JB/T 6642-1993 Rolling Bearing Parts - Methods for the Measurement and Assessment of Departure from Roundness
JB/T 7051-1993 Rolling Bearing Parts - Methods for the Measurement and Assessment of Surface Roughness
JB/T 7361-1994 Rolling Bearings - Test Method for Hardness of Parts
JB/T 8196-1996 Rolling Bearings - Residual Magnetism of Rolling Elements and Its Assessment Method
JB/T 8881-2001 Specifications for Carburizing Heat Treatment of Rolling Bearing Parts
JB/T 8921-1999 Rolling Bearings and Commercial Parts - Inspection Rules
3 Terminologies, Symbols and Definitions (See Figure 1)
Contents
Foreword I
1 Scope
2 Normative References
3 Terminologies, Symbols and Definitions (See Figure 1)
4 Dimensions
5 Technical Requirements
6 Inspection and Measurement Methods
7 Inspection Rules
8 Marking
9 Packaging
10 Storage
Appendix A (Normative) Measurement Methods of Roundness Error