Used for rolling mill bearing, refers to the industry, namely, non-ferrous metals, ferrous metals and non-metallic products rolling.

For calender roller system of roll diameter and the roller bearing, usually with four row cylindrical roller bearings bear radial load, thrust roller or ball thrust bearing and centripetal angle contact ball or radial roller bearing under axial load. Are mostly used for oil and gas lubrication or oil mist lubrication and oil lubrication cooling.