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> Industry newsThe composition of rolling bearing
2016-03-04
Rolling bearings due to the different purposes and working conditions, the structure change very much, but the basic structure is a composite bearing inner ring and outer ring, rolling body (ball or roller) and keep the frame of four parts.(1) the inner ring (also called inner sleeve or inner ring).Usually fixed on the shaft neck, inner ring together with the axis rotation.On inner ring surface for steel ball or roller rolling groove, called inside groove or inner raceway.(2) the outer ring (also called a coat or outer ring).Usually fixed on the bearing seat or machine of sliding bearing shell, the effect of supporting roller.Has for steel ball or roller in the outer surface of the rolling groove, called inside groove or inner raceway.(3) (ball or roller roller).Each is equipped with a group or several groups of rolling element bearing, between inner ring and outer ring, rolling the heritability of the role.Roller is the load components, and its shape, size and quantity determines the capacity of axial load of each performance of high-speed operation.(4) the cage (also called a retainer or isolator).Rolling element bearing in the evenly separated from each other, make each roller rolling normally between inner ring and outer ring.In addition, the cage has the guide roller motion, improve internal bearing lubrication condition, and prevent rolling body falls off, and so on.In the thrust bearing, cooperate with axial ring is called shaft circle, cooperate with bearing or machine shell ring of the best-selling, shaft ring and seat generally referred to as the gasket.In addition to the above four parts, all kinds of different structure of the bearing and other parts matching.For example, rivets, dust cover, sealing ring, lock washer with, collar and sleeves, etc.