Home / Standards / GBT 297-94 GBT 297-94 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 N/A CCS N/A Status N/A Issue Date N/A Implementation N/A Responsible Dept N/A Drafting Unit N/A