不带法兰的滚针轴承是可分离的，即外圈、滚针和保持架组件以及内圈都可分别安装。

The needle roller bearings without flanges are separable, i. E. The outer ring, the needle roller and cage assembly and the inner ring can all be mounted separately.

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组件所有外露接口均设有防护堵、盖，且封闭良好，接口螺纹和法兰密封面无损伤；

All accessory interfaces should have protection covers with good sealing, there is no damage on the connecting screws and flange sealing surface.

youdao

组件所有外露接口均设有防护堵、盖，且封闭良好，接口螺纹和法兰密封面无损伤；

All accessory interfaces should have protection covers with good sealing, there is no damage on the connecting screws and flange sealing surface.

youdao