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What is the relationship between material and performance of Ningbo bearing?

The choice of Ningbo bearing data has a positive impact on bearing performance.

The ring and rolling body of rolling bearing (Ningbo bearing) bear high contact pressure repeatedly on one side, and rolling contact with sliding on the other side. One side of the retainer is in sliding contact with the two sides of the ferrule and the rolling element, or one side of the retainer, and the other side bears tension and contraction force. Therefore, the information, performance and important requirements of bearing rings, rolling elements and maintenance frames are as follows.

Ring, rolling body data request performance: rolling fatigue strength, high hardness, high wear resistance

The performance required by the holder data: good dimensional stability and high mechanical strength

In addition, it is necessary to have good processability. According to different uses, there are also requirements for its impact resistance, heat resistance, corrosion resistance.

Information of rings and rolling elements: high carbon chromium bearing steel is usually used for rings and rolling elements. SUJ2 of JIS steel grade is used for bearing of large part. Suj3 is used for large bearing.

The chemical composition of SUJ2 has been standardized as bearing data in the world. For example, it belongs to the same kind of steel as aisl52100 (USA), din100cr6 (West Germany), bs535a99 (UK).

Furthermore, under the condition of impact resistance, as bearing data, chromium steel, chromium molybdenum steel and nickel chromium molybdenum steel are used, and carburizing quenching is adopted to make the steel have a softening layer from the surface to the appropriate depth. The carburized bearing with proper softening depth, fine structure, suitable hardness of surface and core hardness has better impact resistance than that of bearing steel.

Therefore, the data used are of high purity, less oxygen content and good quality. The rolling fatigue life of the bearing is improved obviously by adopting proper thermal solution.

In addition to the above steel grades, high speed steel with excellent heat resistance and stainless steel with good corrosion resistance are also used according to special application.

Maintenance frame data: the data of stamping maintenance frame, using low carbon steel. According to different uses, brass plate and stainless steel plate are also used. High strength brass, carbon steel and decomposition resin are used to cut the maintenance frame.

  • Release: Goode bearings
  • Time: February 23, 2011
  • Views: 4742