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轴承分类

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轴承技术

【NTN】轴承

角接触球轴承由于具有接触角a,可以同时承受径向和轴向载荷(接触角定义为钢球和滚道接触点公法线与径向平面的夹角),可以在较高的速度下稳定地工作。 

单列角接触球轴承
此类进口轴承标准保持架材料可以是冲压钢(板)、高强度黄铜或合成树脂。保持架材料取决于轴承系列或使用条件。
接触角一般分为三种:

· 接触角 a=40°,适用于承受较大的轴向载荷; 

· 接触角 a=25°,多用于精密主轴轴承; 

· 接触角 a=15°,多用于较大尺寸精密轴承。 

单列角接触球轴承可承受径向、轴向或联合载荷,但任何轴向载荷都必须为一个方向。
此类进口轴承一般都成对使用,以控制因施加径向载荷所产生的附加轴向力而引起的诱导载荷,布置形式有:

 

背对背组合

面对面组合

串联组合

双列角接触球轴承:此类进口轴承可以同时承受径向和轴向载荷的联系载荷,限制轴的两方面的轴向位移。

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