According to Announcement No. 7 of the Ministry of Industry and Information Technology of the People's Republic of China in 2025, the Ministry of Industry and Information Technology approved the release of 1,128 industry standards and 9 foreign language versions of industry standards on May 9, 2025, including 2 standards in the field of rolling bearings. The standard numbers, names, main contents and implementation dates are as follows:

1. JB/T 15046-2025 Rolling bearings- Drive motor bearings for new energy vehicles

This document specifies the coding method, structural type, overall dimensions and technical requirements for bearings used in new energy vehicle drive motors, describes the corresponding test methods, and specifies the inspection rules, markings, anti-rust packaging, transportation and storage requirements. This document is applicable to the manufacture of ball bearings with dm·n>700000mm·r/min for new energy vehicle drive motors.

2. JB/T 10859-2025 Rolling bearings- Tensioner and idler bearings and units for automotive engine

This document specifies the coding method, structural type and technical requirements for tensioner and idler bearings and units for automotive engine, describes the corresponding test methods, and specifies the inspection rules, markings, anti-rust packaging and other requirements. This document applies to the manufacture of tensioner and idler bearings and units for automotive engine.