双向角接触推力球轴承,对于机床,高速性能好,高刚性主轴所需的所用的球轴承双列圆柱滚子轴承的组合。对于这些应用,允许选择适当的特点机,NSK轴承提供了三种类型。所有这些轴承有特殊的外圈外径公差(P4A类和p2a类)之间提供通关外圈的外围和住房孔,以避免任何负载。 NSK强大的系列高速角接触推力球轴承的高速运算能力,同时保持高刚性。球的直径和球的数量是相同的交咨会类型的轴承。 BTR型轴承有40 °接触角,和BAR型轴承有30 °接触角。其结果是优异的高速性能,限度地减少热量的产生。互换性
客户可以方便地更换与NSK的BAR类型或BTR型轴承,而无需改变他们TAC20D的系列轴承机床主轴的轴或外壳。这两种类型的轴承,具有独特的宽度尺寸,适应新的垫片研发,以取代旧的一个C
30TAC20D+L 30TAC20DPN7+LC6 30TAC20DPN7+LC7
35TAC20D+L 35TAC20DPN7+LC6 35TAC20DPN7+LC7
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60TAC20D+L 60TAC20DPN7+LC6 60TAC20DPN7+LC7
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90TAC20D+L 90TAC20DPN7+LC6 90TAC20DPN7+LC7
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