The structure antifriction bearing of rolling bearing and sliding bearing supports the rotation of rotating roller shaft, so the contact position is one point, rolling more contact points nine more; the first difference between sleeve bearing supports the rotation of shaft, the surface is smooth, so the contact part surface. In different ways, followed by motion, motion rolling roller bearing; sliding motion sliding and friction situation is completely different.
Rolling bearings are used in smaller machines, in high speed, such as motors, gearboxes, etc., in low speed and heavy load conditions under sliding conditions, general application programs or lubrication and functional components, and maintenance difficulties such as propulsion shafts.
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