T/EJCCCSE 536-2025 Active Group standards

T/EJCCCSE 536-2025 The technical requirements for nitrogen-doped silicon nitride ceramic ball bearings used in new energy vehicles

Publish Date: 2025-08-27 Implement Date: 2025-09-26 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: T/EJCCCSE 536-2025

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: -

ICS Name: Rolling bearings

Publish Date: 2025-08-27

Implement Date: 2025-09-26

Scope

This document specifies the technical requirements, test methods, inspection rules, and marking, packaging, transportation, and storage for silicon nitride ceramic ball bearings (hereinafter referred to as "ceramic ball bearings") used in the drive motors of new energy vehicles. This document is applicable to the design, manufacture, and acceptance of drive motor bearings for new energy vehicles under operating conditions of dm·n≥700000 mm·r/min (the product of the bearing pitch diameter and the rotational speed).