The practical application proved that heavy-duty bearing grease 7421 could meet the lubricating requirements of roller press bearings. The localization of roller press bearings grease was achieved ,which had good economic and social benefits.%实际使用证明,7421重载轴承润滑脂能够满足辊压机轴承的润滑要求。实现了辊压机轴承润滑脂的国产化,具有良好的经济效益和社会效益。
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