ISO 20056-1:2017 Preview
Rolling bearings -- Load ratings for hybrid bearings with rolling elements made of ceramic -- Part 1: Dynamic load ratings
ISO 20056-1:2017 specifies methods of calculating the dynamic load ratings for hybrid bearings with bearing rings made of contemporary, commonly used, high quality hardened bearing steel, in accordance with good manufacturing practice and rolling elements made from silicon nitride in contemporary, commonly used, high material and manufacturing quality and surface finish. For balls, ISO 26602 together with ISO 3290‑2 are applicable. For rollers, ISO 12297‑2 is applicable and ISO 26602 is applicable in an analogous way.
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