超清版 GB/T 25764-2024 滚动轴承 汽车变速箱用滚子轴承

ICS 21.100.20
CCS J 11
GB/T 25764—2024
滚动轴承　汽车变速箱用滚子轴承
Rolling bearings—Roller bearings for automotive transmissions
2024⁃09⁃29 发布2025⁃01⁃01 实施
国家市场监督管理总局
国家标准化管理委员会
发 布
代替GB/T 25764—2010

目　　次
前言··························································································································Ⅲ
1　范围·······················································································································1
2　规范性引用文件········································································································1
3　术语和定义··············································································································2
4　符号·······················································································································2
5　分类·······················································································································2
6　代号方法·················································································································2
6.1　代号的构成········································································································2
6.2　类型代号和尺寸系列代号······················································································2
6.3　前置代号和后置代号····························································································3
6.4　代号示例···········································································································3
7　结构型式和外形尺寸··································································································3
7.1　圆柱滚子轴承·····································································································3
7.2　圆锥滚子轴承·····································································································8
8　技术要求···············································································································10
8.1　材料及热处理····································································································10
8.2　公差················································································································10
8.3　倒角················································································································12
8.4　滚动表面形状····································································································12
8.5　表面粗糙度·······································································································12
8.6　游隙················································································································12
8.7　残磁················································································································12
8.8　清洁度·········································