Rolling the basic structure

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Developed on the basis of plain bearings, rolling bearings, its working principle is based on rolling friction instead of sliding friction, usually by two rings, a set of rolling elements and a very versatile cage, standardization, serialization degree of very high mechanical basic parts. Have different working conditions due to a variety of mechanical, rolling bearing load capacity, structure and use of performance proposed various requirements. To this end, rolling bearings have a variety of structures. However, the basic structure is composed by the inner ring, outer ring, rolling elements and cage. precision bearings
The role of the various parts in the bearing are: For radial bearings, the inner ring is usually a tight fit with the shaft and with the shaft and operation, the outer ring is usually a transition fit housing bore and the bearing or mechanical play supporting role. However, in some cases, the outer ring operation, the inner ring fixed play supporting role, or inner and outer rings are running simultaneously. Said shaft washer for the thrust bearing and the shaft tight fit and move together, and the bearing o r mechanical shell hole into the transition fit and play a supporting role, said seat. The rolling element (ball, roller or needle), with the cage within the bearing is usually arranged evenly between the two rings for rolling motion, its shape, size and number of directly affecting the load bearing capacity and performance properties. The cage except able to scroll uniformly separated, but also since to guide rolling body rotation and and improve bearing internal lubrication performance role. thin bearing