1 Scope
This standard specifies that the boundary dimension shall comply with the supplementary specifications of general-purpose ball bearings as well as rolling bearings and parts in GB/T 273.1-1987, GB/T 273.2-1998, GB/T 273.3-1999, GB/T 299-1995 and GB/T 300-1995 as a supplement to GB/T 307.1-1994, GB/T 307.3-1996 and GB/T 307.4-2002.
This standard is applicable to rolling bearings and parts.
2 Normative References
The following normative documents contain provisions which, through reference in this text, constitute provisions of this standard. For dated references, subsequent amendments (excluding amending errors in the text) 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 documents referred to applies.
