T/ZJB B004-2024 New energy motor vehicle bearing life test technical specification
T/ZJB B004-2024 New energy motor vehicle bearing life test technical specification
Basic Information
Scope
Scope: This document specifies the routine life reliability test and evaluation method for automotive bearings with a nominal inner diameter (d) of 30 mm to 60 mm on test equipment. This document is applicable to the quality acceptance of products with requirements for the life and reliability of new energy motor vehicle bearings, product quality comparison analysis and evaluation, and is also applicable to verification tests, project acceptance, assessment and evaluation by bearing industry and third-party certification agencies, as well as internal testing by manufacturers. Main technical content: This document specifies the routine life reliability test and evaluation method for automotive bearings with a nominal inner diameter (d) of 30 mm to 60 mm on test equipment. This document is applicable to the quality acceptance of products with requirements for the life and reliability of new energy motor vehicle bearings, product quality comparison analysis and evaluation, and is also applicable to verification tests, project acceptance, assessment and evaluation by bearing industry and third-party certification agencies, as well as internal testing by manufacturers.