This standard specifies the dimensions and dimensions of the stop grooves and stop rings on the outer ring of radial bearings that comply with the dimension series 18, 19 and diameter series 0, 2, 3, 4 (except dimension series 00, 82 and 83) in GB273.3. tolerance.
GB/T 305-1998 history
2019GB/T 305-2019 Rolling bearings-Snap ring grooves and snap rings for radial bearings-Dimensions,geometrical product specifications (GPS) and tolerance values
1998GB/T 305-1998 Rolling bearings--Snap ring groove and snap ring on outer ring--Dimensions and tolerances