This standard specifies the boundary dimensions of miniature deep groove ball bearings with flanged outer ring with or without dust cap whose basic boundary dimensions meet GB 273.3-1999, flange dimensions meet GB 7217-2013, bore diameter is 0.6~10mm and diameter series are 7, 8, 9, 0, 2 and 3 as well as separable miniature angular contact ball bearings with flanged outer ring with or without dust cap whose diameter series are 8 and 9.
This standard is applicable to the design and selection of miniature radial ball bearings with flanged outer ring.
Foreword I
1 Scope
2 Normative References
3 Terms and Definitions
4 Symbols
5 Code
6 Marking
7 Boundary Dimensions
