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The high-precision bearings produced by the company mainly refer to the B7000 (original code 136000) series and 760000 series, mainly referring to the P4 and P5 accuracy grades, of which the B7000 series bearings are mainly used in the electric spindle, with high rotation accuracy and dimensional accuracy, suitable for high-speed operation; 760000 series bearings are mainly used in precision and high-speed machine tools and precision measuring devices; The inner and outer rings of precision bearings are made of refined bearing steel GCr15, and other bearing materials can be used according to user requirements; The rolling element of the precision bearing is made of refined bearing steel GCr15 and ceramic balls, the materials of the ceramic balls are mainly Si3N4, ZrO2 and Al2O3, and the ceramic balls have the characteristics of low density, wear resistance and good self-lubrication, which are especially suitable for high-speed, high-precision and long-life bearings. The cages of precision bearings are mainly phenolic laminated cloth pipes and reinforced nylon cages. The use of precision bearings is used in multiple combinations, and the specific fitting type refers to the company's sample - Angular contact ball bearing.
