Home / Standards / GB/T 27559-2011 GB/T 27559-2011 Active Rolling bearing - Cylindrical roller bearings for spindles of machines 滚动轴承 机床主轴用圆柱滚子轴承 Standard Type GBT ICS 21.100.20 CCS J11 Status 现行 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