This standard specifies the external dimensions of unidirectional thrust cylindrical roller bearings whose external dimensions conform to the 11 series and 12 series in GB273.2 "Rolling Bearing Thrust Bearing External Dimension Scheme". This standard applies to one-way thrust cylindrical roller bearings.
GB/T 4663-1994 history
2017GB/T 4663-2017 Rolling bearings—Cylindrical thrust roller bearings—Boundary dimensions
1994GB/T 4663-1994 Rolling bearlngs--Cylindrical thrust roller bearlngs--Boundary dimensions