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短圆柱滚子轴承的噪声等级要高于相应的球轴承。Y 系列中心高160及以上的4、6、8极电机轴伸端装短圆柱滚子轴承,装
Short cylindrical roller bearings noise level is higher than the corresponding ball bearings. Y Series Center 160 and above high 4,6,8 pole motor shaft end mounted short cylindrical roller bearings,