Home / Standards / GBT 281-94 GBT 281-94 Rolling bearings — Self-aligning ball bearings — Boundary dimensions 滚动轴承 调心球轴承 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