Home / Standards / GBT 307.1-2017 GBT 307.1-2017 Rolling bearings — Radial bearings — Geometrical product specifications (GPS) and tolerance values 滚动轴承 向心轴承 产品几何技术规范和公差值 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