Home / Standards / GBT 294-94 GBT 294-94 Rolling bearings — Three-point and four-point contact ball bearings — Boundary dimensions 滚动轴承 三点和四点接触球轴承 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