Home / Standards / GB/T 28697-2012 GB/T 28697-2012 Active Rolling bearings - Aligning thrust ball bearings and aligning seat washers - Boundary dimensions 滚动轴承 调心推力球轴承和调心座垫圈 外形尺寸 Standard Type GBT ICS 21.100.20 CCS J11 Status 现行 Issue Date 2012-09-03 Implementation 2013-03-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A