Home / Standards / GB/T 27556 GB/T 27556 Active Rolling bearings—Radial bearings, retaining slots—Dimensions, geometrical product specifications (GPS) and tolerance values 滚动轴承 向心轴承定位槽 尺寸、产品几何技术规范（GPS）和公差值 Standard Type GBT ICS 21.100.20 CCS J 11 Status 现行 Issue Date 2025-10-31 Implementation 2026-02-01 Responsible Dept 中国机械工业联合会 Drafting Unit 中国机械工业联合会