厂家热销日本nsk四列圆锥滚子轴承价格实在

　四列圆锥滚子轴承成功地使用在轧钢速度为低速至中速的世界各地轧钢机的轴承配置中。由于其设计，这种轴承能够在径向载荷之外承受出现在这种应用场合中的轴向载荷，一般来说在轴承配置中不需要另外的推力轴承。这意味着轧辊轴颈可相对较短，而且轧辊两侧的轴承座可采用相同设计由于四列圆锥滚子轴承的设计，这种轴承必须作为完整轴承安装在轧辊轴承座上。为了能够快速更换轧辊，这种轴承在轧辊轴颈上必须松配合。松配合的缺点是内圈在主载荷条件下在其基座上蠕动，通常会引起硬度比轴承圈低的基座的磨损。为了在一定程度上减少松配合的影响，即降低磨损，轴承在内圈孔中有螺旋槽，而且/或在内圈侧面有油槽。这些油槽把润滑剂送到内圈和基座的接触表面上。此外，填充油脂的槽可吸收磨损颗粒。　四列圆锥滚子轴承范围广泛，不仅包括在外圈和/或内圈之间带中间圈的传统设计，而且有改型为中间圈与轴承圈成一体这种不带中间圈的四列圆锥滚子轴承　圆锥滚子轴承广泛用于汽车、轧机、矿山、冶金、塑料机械等行业四列圆锥滚子轴承用在大型冷、热轧机等重型机器中。

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