GB/T 21559.2-2023: Rolling bearings - Linear motion rolling bearings - Part 2: Static load ratings

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Scope

This document specifies the calculation methods for the basic static load rating, static
equivalent load and static load safety factor of linear motion rolling bearings.
This document applies to linear motion rolling bearings manufactured from
contemporary, commonly used, high-quality, hardened bearing steel according to good
manufacturing methods and basically of conventional design regarding to the shape of
the rolling contact surfaces.
This document does not apply to designs in which rolling elements run directly on the
smooth surface of mechanical equipment, unless the surface is equivalent in all respects
to the raceway of the linear motion rolling bearing component it replaces.

Basic Data

Standard ID	GB/T 21559.2-2023 (GB/T21559.2-2023)
Description (Translated English)	Rolling bearings - Linear motion rolling bearings - Part 2: Static load ratings
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	J11
Classification of International Standard	21.100.20
Word Count Estimation	16,120
Date of Issue	2023-05-23
Date of Implementation	2023-12-01
Older Standard (superseded by this standard)	GB/T 21559.2-2008
Issuing agency(ies)	State Administration for Market Regulation, China National Standardization Administration