Home / Standards / GB/T 24609-2009 GB/T 24609-2009 Abolished Rolling bearings - Thermal speed rating - Calculation and coefficients 滚动轴承 额定热转速 计算方法和系数 Standard Type GBT ICS 21.100.20 CCS J11 Status 废止 Issue Date 2009-11-15 Implementation 2010-04-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A