Patent ID: 6227713
Filing Date: 2001-05-08
Classification: B21B,F16C

Abstract:
A four-row tapered roller bearing for working rolls of roll stands comprising:a plurality of axially arranged inner ring parts forming an inner ring, each inner ring part having an inside extension with the inside extensions possessing end faces that are directly positioned against one another along a partition groove, each inside extension having an outer surface, said end face of at least one of the inside extensions being provided with a plurality of spaced apart and radially extending grooves in which is received lubricant to lubricate said end faces of the inside extensions;a plurality of axially arranged outer ring parts forming an outer ring;four annular rows of tapered rolls positioned between the inner and outer rings;an annular sealing ring encircling the outer surface of the inside extensions of the inner ring parts and having a pair of inwardly directed ribs which engage the outer surface of the inside extensions to form between the ribs and the outer surfaces of the inside extensions a closed chamber which bridges the partition groove.