Home / Standards / GB/T 39644-2021 GB/T 39644-2021 Active Plain bearings—Technical specifications for Tin-based alloy plain bearings of rotating machinery 滑动轴承 旋转机械用锡基合金轴承技术条件 Standard Type GBT ICS 21.100.10 CCS J 12 Status 现行 Issue Date 2021-03-09 Implementation 2021-10-01 Responsible Dept 中国机械工业联合会 Drafting Unit 中国机械工业联合会