integral outer ring
... 整体外圈 integral outer ring 拱外圈 extrados of arch 密封外圈 outersealingring ...
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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。
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.
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