Special environmental ball bearings are used in special environments such as dust-free, vacuum, high temperature and corrosive environment. They need to have the characteristics of non-magnetic, insulation and fast speed. Therefore, ordinary bearings made of bearing steel and lubricants such as oil and grease cannot be used. Koyo's exsev series for special environment can meet these requirements. Stainless steel is the standard bearing material, but we offer a variety of bearings suitable for any specified application. The types of bearings include corrosion-resistant stainless steel bearings, ceramic bearings, high-speed tool steel bearings and bearings using solid lubricants such as polymer fluorine, molybdenum disulfide coating, resin or soft metal.

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