Home / Standards / GB/T 7809-2017 GB/T 7809-2017 Active Rolling bearings—Housings for insert bearings—Boundary dimensions 滚动轴承 外球面球轴承座 外形尺寸 Standard Type GBT ICS 21.100.20 CCS J11 Status 现行 Issue Date 2017-05-12 Implementation 2017-12-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A