This standard specifies the deep groove ball bearings whose external dimensions conform to GB 273.3 "Rolling Bearing Radial Bearing External Dimensions", deep groove ball bearings with stop grooves on the outer ring, deep groove ball bearings with dust covers and deep groove ball bearings with sealing rings. Outline dimensions of groove ball bearings. This standard applies to deep groove ball bearings, deep groove ball bearings with stop grooves, deep groove ball bearings with dust covers and sealing rings.
GB/T 276-1994 history
2013GB/T 276-2013 Rolling bearings.Deep groove ball bearings.Boundary dimensions
1994GB/T 276-1994 Rolling bearings--Deep groove ball bearings--Boundary dimensions