1. ISO Dimensional system and bearing numbers
· ISO Dimensional system and bearing numbers 1.1 ISO Dimensional system The boundary dimensions of rolling bearings, width, and chamfer dimensions have been standardized so that common dimensions can be adopted on a worldwide scale. In Japan,
ISO 492:2014 specifies dimensional and geometrical characteristics, limit deviations from nominal values, and tolerance valuesace (except chamfers) of radial rolling bearings. The nominal boundary dimensions are defined in ISO 15, ISO 355 and ISO 8443.
Tolerance classes and the corresponding values for certain tolerance characteristics are specified in ISO 492 (for radial bearthese standards were aligned with general ISO GPS (Geometrical Product Specification) standards such as ISO 1101 and ISO 5459.
· Standardization of all types and all sizes of bearing elements based on the principle of rolling motion, includingication and standardization of spherical plain bearings, i.e. plain bearings with spherical contact surface. ISO/TC 4/SC 4
· bearings. power transmission. shelving and racking. fencing iso bearings industrial, mining, agriculture and engineering tel no: 002711 822 2727
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Single bearings and matched bearing pairs arranged in tandem Normal Check availability of C2, C3, C4, C5, reduced ranges of stValues are valid for unmounted bearings under zero measuring load. Matched bearing pairs arranged back to back or face to face
ISO ISO 281:2007 Rolling bearings — Dynamic load
ISO 281:2007 specifies methods of calculating the basic dynamic load rating of rolling bearings within the size ranges shown irdance with good manufacturing practice and basically of conventional design as regards the shape of rolling contact surfaces.
ISO 15243:2017 classifies different modes of failure occurring in service for rolling bearings made of standard bearing steelss and describes the characteristics, appearance and possible root causes of failure. It will assist in the identification of
· DIN ISO 12240 1 : 1999 07 English price group 10 Sales No. 0410 12.99 www.bzfxw.com www.bzfxw.com Spherical plains Part 1: Radial spherical plain bearings Page 1 ISO 12240 1 : 1998 Page 2 ISO 12240 1 : 1998 www.bzfxw.com Page 3 ISO 12240 1