ISO 14193 pdf download

ISO 14193 pdf download.Aerospace — Airframe spherical roller bearings, single-row, self-aligning, sealed, extended inner ring, intermediate duty — Inch series 1 Scope This International Standard specifies the characteristics, boundary dimensions, tolerances, internal clearances and permissible loads of inch series single-row, self-aligning, sealed, intermediate duty spherical roller bearings with extended inner rings used in airframe applications. These bearings are designed to withstand only slow rotations and oscillations under load and are intended for use between fixed and moving parts of an aircraft structure and their control surfaces. The airframe roller bearings covered by this International Standard are designed to operate in the temperature range of – 54 °C to +1 50 °C. 2 Normative references The following standards contain provisions which, through reference in this text, constitute provisions of this International Standard. At the time of publication, the editions indicated were valid. All standards are subject to revision, and parties to agreements based on this International Standard are encouraged to investigate the possibility of applying the most recent editions of the standards indicated below. Members of IEC and ISO maintain registers of currently valid International Standards. ISO 683-1 7:— 1 ) , Heat-treated steels, alloy steels and free-cutting steels — Part 1 7: Ball and roller bearing steels . ISO 1 1 32:1 980, Rolling bearings — Tolerances — Definitions . ISO 2082:1 986, Metallic coatings — Electroplated coatings of cadmium on iron or steel . ISO 4520:1 981 , Chromate conversion coatings on electroplated zinc and cadmium coatings . ISO 5593:1 997, Rolling bearings — Vocabulary . ISO 8075:1 985, Aerospace — Surface treatment of hardenable stainless steel parts . ISO 1 41 90:1 998, Aerospace — Airframe rolling bearings: ball and spherical roller bearings — Technical specification . AMS 241 7E:1 993, Plating, zinc-nickel alloy 5 Required characteristics 5.1 Dimensions — Tolerances — Internal clearances — Loads Values are given in table 1 . Where plating is specified, tolerances are applicable after plating. Configuration is given in figure 1 . The configuration for and installation process of seals are at the manufacturer’s option. 5.2 Surface roughness Inner and outer ring raceways and rolling elements shall have a surface roughness of R a = 0,2 µm max. Bore, side faces and cylindrical outer surface shall have a surface roughness of R a = 0,8 µm max. before surface treatment. 6 Materials 6.1 Low alloy through hardening bearing steel (code letters...