bearing with seals

基本解释

The bearing must be equipped with seals that are able to keep dust and water out and the grease inside the bearing.
轴承上必须有密封件，防止外部的灰尘和水分进入，也防止轴承内部的润滑油脂外漏。
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Nowadays, deep-groove ball bearings with internal shields or seals are suitable for compact designs without space for a seal adjacent to the bearing.
如今，深沟球轴承内部能量护盾和海豹是适合紧凑的设计没有空间，为一个密封的轴承。
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DAC series wheel bearing is a double row angular contact ball bearing incorporating an integral outer ring and two separable inner rings which is available with seals or without seals.
DAC系列轮毂轴承是由一个整体外圈和两个可分离内圈组成的双列角接触球轴承，有带密封圈和不带密封圈两种结构。
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