角接触球轴承是一种能够承受轴向和径向负荷的轴承，它通过球与内外圈接触点形成的接触角来承受负荷。以下是角接触球轴承的结构图详解：
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外圈（Outer Race）：
- 轴承的外圈通常与轴套配合，它起到限制旋转轴的位置和引导滚球的作用。
- 外圈的侧面通常有凹槽，用于放置滚球。
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内圈（Inner Race）：
- 内圈与旋转轴配合，限制轴的轴向移动。
- 内圈侧面也有凹槽，用于放置滚球。
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滚球（Ball）：
- 滚球是轴承的核心部件，它通过内外圈上的凹槽滚动，实现旋转。
- 滚球的大小、形状和硬度会影响轴承的性能。
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保持架（Retainer）：
- 保持架用于保持滚球在内外圈凹槽中的位置，防止滚球相互接触。
- 常见的保持架有冲压保持架、实体保持架和塑料保持架等。
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密封圈（Seal）：
- 密封圈用于防止润滑油流失和防止异物进入轴承内部，延长轴承使用寿命。
- 常见的密封圈有橡胶密封圈、毛毡密封圈和金属密封圈等。
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润滑油（Lubricant）：
- 润滑油用于降低轴承内部摩擦，减少磨损，提高轴承的寿命。
- 常用的润滑油有矿物油、合成油和固体润滑剂等。
以下是一个简单的角接触球轴承结构图：
外圈
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