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Full ceramic bearing Si3N4 material
  Full ceramic bearing Si3N4 material has similar propriety as ZrO2 material, besides it has low weight , good wear resistance, high hardness, and it can bear higher temperature than ZrO2 material.
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Si3N4 Deep groove ceramic ball bearings
   
   Deep groove ball bearings mainly take radial load as well as take moderate axial load. With less coeffcient of friction, high limiting speed, large size range and shape variations of diversify.
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Si3N4 Self-aligning ball ceramic bearings
       With two structures of bore cylindrical and conical, retainers made of steel sheet or synthetic tesins, the bearings are characteristic of their spherically formed outer ring raceways allowing for misalignment within 3 degree between inner ring and outer ring, so as to compensate concentricity and deflection errors.
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Si3N4 Thrust ball ceramic bearings
     This type of bearings is separable, which can only carry axial load, the single direction bearings of them can only carry axial load in one direction, while the double can carry alternating axial load in either directions. Before using they have to be preloaded. The thrust ball bearings are used in lathe centers, automobile clutches, reducers etc, the double direction angular contact thrust ball bearings are suitable for machine tool spindles, while the single are used to support ball screws
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Si3N4 Angular contact ball ceramic bearings
     Angular contact ball bearings are able to support radial load and axial load. As single row angular contact ball bearings can only support axial load in single direction, matched bearing mounting is often adopted to them. As matched pairs of bearings, preload for them is more convenient.

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Si3N4 Spherical ceramic bearings
     

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