Special - quality ball and roller bearing steel 特級(jí)滾珠軸承鋼和滾柱軸承鋼
Roller bearing steel 滾柱軸承鋼
Heat - treated steels , alloy steels and free - cutting steels - ball and roller bearing steels 熱處理鋼合金鋼和易切削鋼.滾珠軸承和滾柱軸承鋼
Heat - treated steels , alloy steels and free - cutting steels - part 17 : ball and roller bearing steels 熱處理鋼合金鋼和易切鋼.第17部分:滾球和滾柱軸承鋼
Heat - treated steels , alloy steels and free - cutting steels - part 17 : ball and roller bearing steels iso 683 - 17 : 1999 ; german version en iso 683 - 17 : 1999 熱處理鋼合金鋼和易切鋼.第17部分:滾球和滾柱軸承