Rolling Bearings - Residual Magnetism and Its Assessment Method
1 Scope
This standard specifies residual magnetism limit, measurement method and inspection rules of rolling bearings (hereinafter referred to as "bearing") and commercial rolling elements.
This standard is applicable to inspection and acceptance on residual magnetism of general use bearing and commercial rolling elements for rolling bearing of various kinds by the manufacture and the user(s). This Standard is not applicable to inspection for rolling elements removed from finished bearing product.
2 Normative References
Provisions of the following documents, through reference in this Standard, constitute provisions of this Standard. For dated reference, subsequent amendments (excluding correction contents) to, 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 these documents is applicable. For undated references, the latest edition of the normative document is applicable to these specifications.
GB/T 6930-2002 Rolling Bearings - Vocabulary (ISO 5593: 1997, IDT)
JB/T 8921-1999 Rolling Bearings and Commercial Parts - Inspection Rules
3 Term and Definition
For the purpose of this Standard, the terms and definitions defined by GB /T 6930-2002 and the following ones apply.
3.1
Residual magnetism
Residual magnetism of a magnetized bearing after being demagnetized
3.2
Residual magnetism of rolling elements
Residual magnetism of a rolling element after being demagnetized