轴承钢日本JIS标准轴承钢牌号:SUP10SUP11ASUP12SUP13SUJ1SUJ2SUJ3SUJ4SUJ5轴承钢:4118SUJ2SUJ3862043209310G20CR2NI420CRMOGCR15GCR9SIMN52100SUJ1100CR6104CR4W2SNCM21SNCM220SCM4209CR189CR18MOSUS440C……..轴承钢：4118SUJ2SUJ3862043209310G20CR2NI420CRMOGCR15GCR9SIMN52100SUJ1100CR6104CR4W2SNCM21SNCM220SCM4209CR189CR18MOSUS440C…….联系电话：15913779293欧阳小姐)