Home / Standards / GB/T 4661-2015 GB/T 4661-2015 Active Rolling bearings—Cylindrical rollers 滚动轴承 圆柱滚子 Standard Type GBT ICS 21.100.20 CCS J11 Status 现行 Issue Date 2015-12-31 Implementation 2016-07-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A