This standard specifies the features and dimensions of insert spherical ball bearings (hereinafter referred to as bearings) and eccentric sleeves. This standard applies to factory design and user selection. Note 1: Outer spherical bearings are defined as radial rolling bearings with spherical outer rings and wide inner rings with fastening devices (see GB6930). The fastening device for fixing the inner ring on the shaft can be an eccentric sleeve, an adapter sleeve, or a top screw directly on the inner ring.
GB/T 3882-1995 history
2017GB/T 3882-2017 Rolling bearings—Insert bearings and eccentric looking collars—Boundary dimensions
1995GB/T 3882-1995 Rolling bearings--Insert bearings and eccentric looking collars--Boundary dimensions