推力球軸承
tuiliqiuzhouchengfenweidanxiangheshuangxiangliangzhong。tamenzhinengjieshouzhouxiangzaihe,juebunengjieshourenhejingxiangzaihe。tuilizhouchengfenjinquanhehuoquanliangbufen。jinquanyuzhoutaojin,huoquanzhichengzaizhouchengzuoshang。taoquanhefanguntiyibancaiyongqiangdugao、耐磨性好的翻滾軸承鋼製作,淬火後表麵硬度應達到HRC60~65。保持架多用軟鋼衝壓製成,也能夠采用銅合金夾布膠木或塑料等製作。
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