1 Scope
This standard specifies the tolerance grades, technical requirements, measurement/inspection methods, inspection rules, marking and packaging of the tapered roller.
This standard is applicable to the production, inspection and customer acceptance of the rolling bearing-matching tapered rollers and those for commercial use.
2 References
The following documents contain provisions which, through reference in this standard, constitute provisions of this standard. At the time of publication, all editions indicated are valid. All standards are subject to revision, and parties to agreements based on this code are encouraged to investigate the possibility of applying the most recent editions of the standards indicated below.
GB/T 307.3-1996 "Rolling Bearings - General Technical Regulations"
GB/T 4380-1984 "Assessment of Departure from Roundness - Two and Three Point Methods"
GB/T 6930-1986 "Rolling Bearings - Vocabulary"
JB/T 1255-2001 "Specification for Heat-treatment of Rolling Bearing Parts Made from High Carbon Chromium Steel"
JB/T 3034-1993 "Rolling Bearing - Oil Seal Rust Prevention Packing"
JB/T 6642-1993 "Rolling Bearings Parts - Measurement and Assessment Methods for Deviation from Circular Form"
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"
Contents
Foreword I
1 Scope
2 References
3 Terms, Symbols and Definitions
4 Shapes and Dimensions
5 Technical Requirements
6 Measurement Methods
7 Marking
8 Inspection Rules
9 Packaging and Storage
Appendix A (Normative) Measurement Methods of Deviation from Circular Form
