Home / Standards / GBT 285-94 GBT 285-94 Rolling bearings—Double-row cylindrical roller bearings—Boundary dimensions 滚动轴承 双列圆柱滚子轴承 外形尺寸 Standard Type GBT ICS N/A CCS N/A Status N/A Issue Date N/A Implementation N/A Responsible Dept N/A Drafting Unit N/A