特大轴承钢球，大型钢球，特大钢球：1.特大轴承钢球规格:30MM----152.4MM2.特种GCR15钢球具体规格:30mm,30.163mm,31mm,31.75mm,32mm,33.338mm,34mm,35mm,34.925mm,36.513mm,38.1mm,39.688mm,40mm,41.275mm,42.863mm,44.445mm,45mm,46.625mm,50mm,50.8mm,53.975mm,55mm,57.15mm,60mm,60.325mm,63.5mm,69.85mm,.70mm,75mm,76.2mm,80mm,88.9mm,90mm,100mm,101.6mm,110mm,127mm,152.4mm3.轴承钢球材质:GCr15康达大型钢球,特大钢球，品质保证,诚信合作,从我做起,这不只是说说而已!)