调心球轴承
外圈的滚道为球面,其曲率中心与轴承中心一致。因此,内圈、球、保持架可以在轴承中心周围自由旋转,具有调心性。适于轴和外壳对中心困难、轴易出现挠曲的传动轴等用途。因为接触角小,所以轴向负荷能力也小。一般使用衝压保持架。
调心球轴承的允许调心角,在普通负荷情况下,大约为0.07~0.12弧度(4-7度)。根据轴承周围的有关安装尺寸,也有达不到这种调心角度的特殊情况,务请注意。
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