1 Scope
This Standard specifies the characteristics, boundary dimensions, tolerances and radial internal clearances of insert bearings and eccentric locking collars.
This Standard is applicable to manufactory design and user selection of insert bearings and eccentric locking collars.
Note 1: An insert bearing is defined as a radial rolling bearing with a spherical outer surface and an extended inner ring with a locking device (see GB 6930). The locking device, for fixing the inner ring to the shaft, may be an eccentric locking collar or set screws either in a concentric collar around the inner ring or directly in the inner ring.
2 Normative References
The following standards contain provisions which, through reference in this text, constitute provisions of this Standard. At the time of publication, the editions indicated were valid. All standards are subject to revision, and parties to agreements based on this Standard are encouraged to investigate the possibility of applying the most recent editions of the standards indicated below.
GB 273.3-88 Rolling Bearings — Radial Bearing — Boundary Dimensions, General Plan
GB 6930-86 Rolling Bearings — Vocabulary
GB 9160.1-88 Rolling Bearings — Accessories — Adapter Sleeves — Basic Dimensions
3 Definitions
