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Hardness is one of the important indexes to measure the performance of stainless steel miniature bearings

Hardness is one of the important indexes of stainless steel miniature bearings. It is closely related to the contact fatigue strength, abrasion resistance and elasticity of materials, and directly affects their service life. Its hardness usually depends on the way and size of bearing, the size of bearing and the overall situation of wall thickness. The hardness of the steel should be suitable. Too large or too small will affect the service life.
As we all know, the main failure mode of stainless steel miniature bearing is contact fatigue failure, and its accuracy is lost due to poor wear resistance or dimensional instability; If the bearing parts are lack of toughness, brittle fracture will occur when bearing large impact load, resulting in failure. Therefore, the hardness must be confirmed according to the specific conditions and methods. If the precision is lost due to fatigue peeling or poor wear resistance, the parts shall have high hardness; For bearings with large impact load, in order to increase toughness, the hardness must be appropriately reduced.
Capable of withstanding radial load and bidirectional axial load. Mainly because of its large radial load capacity, it is suitable for bearing heavy load and impact load. Different from general products, stainless steel miniature bearings play an irreplaceable role in mechanical equipment and other places, so the requirements for bearing materials are very strict. It is mainly the hardness of the bearing, which shall be processed and manufactured according to the strict standards of its application scope. The bearing can be assembled and disassembled on the shaft by using fasteners or withdrawal sleeves.
2022/10/25 10:49:20 1981 Click

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