The types of roller bearing are introduced and it's characteristics are analysed. Meanwhile, improving ways of backing bearing are put forward and it's service life is extended.
简要介绍轧辊轴承类型，分析其特点，提出了支承辊轴承的改进方法，延长了它的使用寿命。
The types of roller bearing are introduced and it's characteristics are analysed. Meanwhile, improving ways of backing bearing are put forward and it's service life is extended.
简要介绍轧辊轴承类型，分析其特点，提出了支承辊轴承的改进方法，延长了它的使用寿命。
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