通过对短圆柱滚子轴承滚子端面、内外圈挡边端磨现象的分析，提出了针对性的措施。

Via analysis of the end wearing of the roller end of the short cylindrical roller bearing, the edges of the inner and outer rings, the corresponding measures are given out.

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常用的此类轴承有两种形式：NN30/W33、NN30K/W33两个系列轴承内圈带挡边，外圈可分离；

There are two common forms of such bearings: NN30/W33, NN30K/W33 two series of bearing inner ring with ribs, separable outer ring;

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