Home / Standards / GB/T 27554-2011 GB/T 27554-2011 Active Rolling bearings — Insert bearings with housings — Designation system 滚动轴承 带座外球面球轴承 代号方法 Standard Type GBT ICS 21.100.20 CCS J11 Status 现行 Issue Date 2024-09-02 Implementation 2012-03-01 Responsible Dept N/A Drafting Unit N/A