Rolling bearing material

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special bearing - China Manufacturer

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Rolling bearing rings and rolling elements, side repeatedly exposed to high contact pressure side accompanied by sliding rolling contact. Holder, side rings and

Rolling on both sides of the body, or a party sliding contact side of the tension and compression force. Accordingly, the bearing rings, rolling elements and cage material, performance
, The main requirements are as follows.

    Rings, rolling material required performance: rolling fatigue strength, high hardness, high wear resistance;slim bearings

The required performance of the cage material: good dimensional stability and mechanical strength; also need good workability. According to different purposes, as well as its impact resistance
Resistance, heat resistance, good corrosion resistance.

    Rings and rolling material: rings and rolling commonly used carbon chromium bearing steel.

    Further impact-resistant case, used as a bearing material chrome steel, chrome molybdenum steel, nickel-chromium-molybdenum steel, carburizing quenching the steel from the surface to the appropriate
The depth of a hardened layer. With appropriate hardeni ng depth, fine tissue, an appropriate hardness of the surface and core hardness of the carburizing bearing, than the axis of the bearing steel
Order of the chemical composition having excellent impact resistance, the carburizing bearing steel.

The embodiment of the vacuum degassing treatment, Therefore, the high degree of purity of the material used, the oxygen content of less good quality. Further appropriate heat treatment, so that the roller bearing
The amount of dynamic fatigue life improved significantly.
 
   The above-mentioned steels, in accordance with the special use, but also the use of high-speed steel having excellent heat resistance, good corrosion resistance of stainless steel.

The cage material: punched retainer material, the use of low carbon steel. According to different purposes, brass, stainless steel plate. Cut cage material,thin bearings
The high-strength brass, carbon steel, in addition also the use of synthetic resin.