This standard specifies the codes of rolling bearings (hereinafter referred to as bearings) not specified in GB/T 272-1993, and it is the supplement of GB/T 272-1993.
This standard is applicable to bearings for general purpose.
2 Normative References
The following standards 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
