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ZYS High-speed sealed angular contact ball bearingsHigh-speed sealed angular contact ball bearings performance1.When machine tool spindle runs under highly polluted condition, solid contaminants or cooling fluid entering the bearings is the main cause of bearing premature failure. There by the lubricant efficiency will be reduced, while bearing temperature will rise and abrasion will be accelerated. To solve the above problems effectively, ZYS produces a kind of sealed ball bearing, the high-speed sealed angular contact ball bearings with lifelong and clean lubrication grease. The types and pe