This standard specifies the flange dimensions of single row deep groove ball bearings and angular contact ball bearings with flanged outer rings. Other dimensions of bearings are specified in GB/T 273.3-1999. The flange tolerances are specified in GB/T 307.1-1994; the flange tolerances of instrument precision bearings are specified in GB/T 5800-1986.
GB/T 7217-2002 history
2013GB/T 7217-2013 Rolling bearings.Radial ball bearings with flanged outer ring.Flange dimensions
2002GB/T 7217-2002 Rolling bearings--Radial ball bearings with flanged outer ring--Flange dimensions