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汽车车轮的轴承,即使没有润滑油也烧不坏,这是为何?
汽车车轮轴承不使用润滑油,而是润滑脂,通常称为“黄油”。矿物油通常用作润滑脂的基础油,但当需要低温流动性和高温稳定性等特殊性能时,需要合成双酯油、硅油、聚乙二醇油、润滑油等。
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