Home / Standards / GB/T 297-2015 GB/T 297-2015 Active Rolling bearings—Tapered roller bearings—Boundary dimensions 滚动轴承 圆锥滚子轴承 外形尺寸 Standard Type GBT ICS 21.100.20 CCS J11 Status 现行 Issue Date 2015-02-04 Implementation 2015-10-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A