进口轴承38066077760380660-1380660-2进口圆锥滚子轴承后置代号A:内部结构变更B:增大的接触角X:外形尺寸采用国际标准CD:双外圈，带油孔或油槽。TD:带锥孔的双内圈。38066077760380660-1380660-23806/300.0383806/304.902M257248D380662-1380662-2380662-33806/317.5HM259049D38066477764380664/YB277864380664-1380664-23806/330.2M261049D3806683806/343.052LM761649D38067077770380670/HC77770S380670/C22G777770380670/C33G777770380671380672778723806/368.3HM265049D3806743806/377.09380676777763806/385.762LM665949D380678/HC38067977779380679/YA77779K380679/C977779U380679/C22G77779380679/HC380679/HCC977779S380679/HCYA3380679/HCC9W3377779SUY380679X2/HC38068077880380680/HC77880S380680/C22G77880380680-1380680-2进口轴承M249748D/M249710美国富特轴承FUTEBEARING大多数圆锥滚子轴承由合金钢或低碳钢制成。某些应用需要使用表面硬化或硬化的高碳轴承质量的钢。高碳钢种不需要渗碳，可以通过感应加热进行表面硬化或通过常规加热方法进行通过硬化。当使用低碳，渗碳等级的钢时，在圆柱滚子轴承加工到足以产生可承受轴承载荷的硬化壳体的深度之后引入碳。碳和合金的添加确保了坚硬耐疲劳外壳与坚韧韧性核心的适当结合M249748D/M249710M249748DW/M249710M249710C2/0RM249748DK3M249748DW/K3K3M249748DWKEE127097D/127135HM252349D/HM252310LM451349DW/10/10DLM451349DW/310/310DLM451349D/LM263110LM451349DW/LM451310LM451349D/l0/l0DM252349DW/M252310M252349/l0/l0DM252349D/10/10DEEl35111D/EEl3515547T563927AWH/DPGS155511860KEE135111DW/K135155M255449DW/M255410M255449D/M255410EE330116D/330166M257149DW/110/110DM257149DW/M257110M257248DW/M257210M257248DW/l0/l0DM257248/M257210M257248D/10/10D511736AHM259049D/10/10DLM761648D/LM761610LM761648DW/LM761610LM761649DW/LM761610)