Backing roller bearing chock 支承辊底座
backing roller
支持辊
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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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