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Bearing is especially developed for multi roll cold rolling mill, but can also be used for other purposes, such as roller straightening machine and bending machine. Bearing roller bearing outer wall thick, can be installed in a static supporting shaft, forming a support or straightening roller. From the work roll force transmitted through a supporting shaft and bearing saddle system to roll or frame.
Multi roll rolling mill bearing SKF production of a variety of design, but usually are double - row or three row cylindrical roller bearings. There are design single needle roller bearings and double row tapered roller bearings. Logarithmic shape of contact between roller and raceway, under various loads and when the bearing when not under load, will greatly improve the stress distribution. Optimized for all contact surfaces polished, to improve the lubrication conditions play a role. The lubricant is supplied to the bearing through a supporting shaft, a bearing lubrication holes SKF, some bearing inner ring with one or a plurality of annular groove.