桂北
上海龙凤1314ST6810ZZ,ST6811ZZ,ST6812ZZ,ST6813ZZ,ST6814ZZ,ST6815ZZ
上海龙凤131450,60,70,55,75,65(mm)
78,72,85,65,95,90(mm)
0.13,0.05,0.126,0.142,0.055,0.085(kg)
耐磨铸铁
高温轴承钢
P0