This standard stipulates the width, maximum outer diameter, inner diameter and minimum chamfer size of the inner hole for cylindrical roller bearings with diameter series 2, 3 and 4 in accordance with GB/T 273.3-1999.
GB/T 20060-2006 history
2011GB/T 20060-2011 Rolling bearings.Cylindrical roller bearings,separate thrust collars.Boundary dimensions
2006GB/T 20060-2006 Rolling bearings.Cylindrical roller bearings,separate thrust collars.Boundary dimensions