GB/T 39271.1-2020 Active National standards

GB/T 39271.1-2020 Rolling bearings—Load ratings for hybrid bearings with rolling elements made of ceramic—Part 1:Dynamic load ratings

Publish Date: 2020-11-19 Implement Date: 2021-06-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 39271.1-2020

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Rolling bearings

ICS Name: Rolling bearings

Publish Date: 2020-11-19

Implement Date: 2021-06-01

Pages: 15 pages

Scope

This part of GB/T 39271 specifies the calculation method for the rated dynamic load of hybrid bearings, in which the bearing rings are made of high-quality hardened bearing steel commonly used in modern times and processed by good manufacturing methods, and the rolling elements are made of high-quality silicon nitride (Si3N4) commonly used in modern times. ISO 3290-2[2] and ISO 26602[6] are applicable to ceramic balls; ISO 12297-2[3] and ISO 26602[6] are applicable to ceramic rollers.