1 Scope
This standard specifies the dimension, tolerance grade and the technical specifications of carbon steel ball.
This standard is applicable to the manufacture, inspection and user acceptance of commercial carbon steels used for carbon steel bearings or other purposes.
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 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.
Contents
Foreword I
1 Scope
2 Normative References
3 Term and Definitions
4 Symbols
5 Dimension
6 Technical Requirements
6.1 Material
6.2 Heat Treatment
6.3 Tolerance Grade
6.4 Geometrical Shape and Surface Roughness
6.5 Sorting Tolerance and Ball Gauge Value
6.6 Residual Magnetism
6.7 Appearance
7 Measurement and Inspection Methods
7.1 Tolerance
7.2 Surface Roughness
7.3 Heat Treatment
7.4 Residual Magnetism
7.5 Crushing Load
7.6 Appearance
8 Inspection Rules
9 Marking, Packaging and Storage
9.1 Marking
9.2 Packaging
9.3 Storage