Home / Standards / GBT 301-1995 GBT 301-1995 Rolling bearings — Thrust ball bearings — Boundary dimensions 滚动轴承 推力球轴承 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