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Are Plastic Bearings Good?

Are Plastic Bearings Good?

  • 2021-09-26

Yes ,for some applications ,plastic bearings play an important role .


There are different plastic can produce bearings ,sucha as HDPE,PP,UPE(UHMWPE) ,there material can used in faintish acid and alkali environment (30% CuCl2 solution and 30% NAOH solution is tested ok).


Such bearings can be operated in liquid and contamination sensitive environments as acid/alkali/salt/solvent/oil/gas/seawater, and have general performance of lubrication and maintenance free, none magnetism, anti-rust and eroded of plastic bearings. But these bearings have not strong mechanical strength, and easy to be out of shape, so couldn't be used in heavy load and high-speed application.


Among these 3 material, UPE have more excellent strength and low friction and could be used to lower temperature (lowest to -150℃).


Generally the rings and cage were made with HDP PP or UPE, balls were made with glass ,stainless or ceramic.

plastic flange bearings

 Plastic Bearings

MKL BEARINGS can produce different type plastic bearings according to your requirements ,such as do customzied service .

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