Rolling bearing seal

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    To take full advantage of bearing performance, to prevent the leakage of the lubricant in the grease or oil, but also to prevent harmful foreign body from external intrusion bearings, it is necessary to maximize the use of fully enclosed. The sealing device is on e of the important design aspects of the bearing system. Design requirements should be able to achieve long-term sealing and dust effects; friction and installation errors must be small; disassembly, assembly, convenient and simple maintenance.china bearing manufacturer

    Sealed in accordance with its principle can be divided into contact seals and non-contact seal two categories.bearing manufacturers The non-contact seal is not the speed limit. Contact seal can only use the occasion of the line speed is low, in order to ensure the seal life and reduced shaft wear, shaft contact part of the hardness should above in hrc40, surface roughness should be less than ra1.60μm-ra0.80μm.bearing suppliers