Chrome Steel Ball Stainless steel ball Carbon steel ball Hollow ball Plastic ball Ceramic ball
INDUSTRY STANDARD  
1.ANSI AFBMA-10
2.DIN 5401-2002
3.GB_18254-2002高碳鉻軸承鋼
4.GB308-2002 滾動(dòng)軸承 鋼球
5.GBT 18579-2001 High-carbon chromium bearing steel wire
6.ISO 683 -17- 1999 - Aciers à roulement billes rouleaux
7.JIS G3506-2004 高碳鋼線材 標(biāo)準(zhǔn)