1 Scope
This Standard specifies 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 - 88, flange dimensions meet GB 7217 - 87, inside diameter is 0.6~10mm and diameter series are 7, 8, 9, 0, 2 and 3 as well as separated type miniature angular contact ball bearings with flanged outer ring with or without dust cap whose diameter series are 8 and 9. Narrow end face chamfering limit of bearing is in accordance with those specified in GB 5800 - 86. this Standard is applicable to the design, fabrication and inspection of miniature radial ball bearings with flanged outer ring.
2 Normative references
The involved provision in the following standard will become the provision by quoting by this standard. When published, all the shown versions are valid. All the standards will be revised, and all parties using this standard shall discuss the possibility of using the latest editions.
