密封型调心滚子轴承

密封型调心滚子轴承由金属外圈、挡环、橡胶密封唇、延伸挡圈、外口边箍部分构成，在金属外圈的边缘一侧连接设置有挡环，在金属外圈的另一侧边缘处连接设置有延伸挡圈，在延伸挡圈的外边缘处连接设置有外口边箍；在金属外圈的内侧粘接有若干条橡胶密封唇；该密封圈安装固定在轴承外圈上，可与固定在轴承内圈上的轴承密封环构成自动调心结构；对于调心滚子轴承，尤其是对于调心轴承的中心点有相对旋转位移的外圈的轴承，具有自动调心和密封作用，其密封效果不受轴承内、外圈的相对移动的影响。

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密封型调心滚子轴承是一种带有密封圈的调心滚子轴承。调心滚子轴承主要用来承受径向负荷，同时也能承受一定量的轴向负荷，但一般不能承受纯轴向负荷。该类轴承外圈滚道为球面形，故居有调心性能，当轴受立发生弯曲或倾斜而使内圈中心线与外圈中心线相对倾斜不超过0.5°～2°时，轴承仍然可以正常工作。它的结构原理与特性和调心球轴承相同，唯一区别在于滚动体是球面滚子，由于滚动体的不同，因而它的承载能力较大，广泛用于矿山及重型机械上。该类轴承可限制轴或外壳的轴向位移在轴承的轴向游隙范围内。调心滚子轴承和调心球轴承，在符合容量和极限转速许可的情况下，可以相互代用。

BS2-1314 C 2CS 21314-2RS BS2-1314-2CS BS2-1314-2CS/VT143
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BS2-1316 C 2CS 21316-2RS BS2-1316-2CS BS2-1316-2CS/VT143
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BS2-1318 C 2CS 21318-2RS BS2-1318-2CS BS2-1318-2CS/VT143
BS2-1319 C 2CS 21319-2RS BS2-1319-2CS BS2-1319-2CS/VT143
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BS2-1322 C 2CS 21322-2RS BS2-1322-2CS BS2-1322-2CS/VT143

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