1 Scope
This standard specifies the sizing material and skeleton of skeleton rubber seal ring (hereinafter referred to as seal ring) for deep groove ball bearings, and technical requirements, inspection and assessment methods, inspection rules and marks, packaging and transportation of finished products.
This standard is applicable to vulcanized acrylonitrile butadiene rubber (NBR) seal ring for sealed deep groove ball bearings specified in JB/T 7752-1995.
2 Normative References
The following normative documents contain provisions which, through reference in this standard, constitute provisions of this standard. For dated reference, subsequent amendments (excluding amending errors) 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 editions of these documents are applicable. For undated references, the latest edition of the normative document referred to applies.
