Home / Standards / GB/T 27556-2011 GB/T 27556-2011 Abolished Rolling bearings - Radial bearings,retaining slots - Dimensions and tolerances 滚动轴承 向心轴承定位槽 尺寸和公差 Standard Type GBT ICS 21.100.20 CCS J11 Status 废止 Issue Date 2011-11-21 Implementation 2012-03-01 Responsible Dept 中国机械工业联合会 Drafting Unit 中国机械工业联合会