特种钢球， 特大轴承钢球，大型钢球，特大钢球：

1.特大轴承钢球规格:80MM----265MM    

2.特种GCR15钢球具体规格:   

80mm,82.15mm,82.5mm, 85mm,88.9mm, 90mm,92mm,95mm,100mm, 101.6mm, 105mm,107mm,110mm, 115mm,120mm,125mm,127mm, 130mm,140mm,150mm,152.4mm,155mm,160mm,165mm,180mm,195mm,200mm,250mm,265mm 

3.轴承钢球材质: 

 GCr15    AISI52100    SUJ2   100Cr6;