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滚动轴承常采用油毡密封和橡胶圈密封,但其效果并不理想,尤其是经长期运转后,会因密封材料磨损而失去密封作用。这里介绍一
Rolling bearings often use felt seals and rubber seals, but its effect is not ideal, especially after long-term operation, due to seal material wear and loss of sealing effect. Introduce here one