Normal tolerance class 普通公差等级
NKE Single Row deep groove ball bearings with filling slots are produced to normal tolerance class (PN) as standard.
填充槽nke的单排深沟球轴承生产的正常公差等级(PN)作为标准。
NKE Taper Roller Bearings are produced in normal tolerance class (PN) as standard.
NKE的生产圆锥滚子轴承在正常公差等级(PN)作为标准。
NKE single row angular contact ball bearings of the series 72 and 73 are produced to normal tolerance class (PN) as standard.
NKE的单列角接触球72和73系列轴承生产正常糖耐量类（PN）作为标准。
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