This International Standard specifies tolerances for boundary dimensions (except chamfer dimensions) and the running accuracy of radial rolling bearings specified in ISO 15, ISO 355 and ISO 8443. This International Standard does not apply to certain radial bearings of particular types (e.g., drawn cup needle roller bearings) or for particular fields of application (e.g., airframe bearings and instrument precision bearings). Tolerances for such bearings are given in the relevant International Standards. Chamfer dimension limits are given in ISO 582.
BS ISO 492:2002 history
2023BS ISO 492:2023 Rolling bearings. Radial bearings. Geometrical product specifications (GPS) and tolerance values
2014BS ISO 492:2014 Rolling bearings. Radial bearings. Dimensional and geometrical tolerances
2002BS ISO 492:2002 Rolling bearings - Radial bearings - Tolerances