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FZH Steel based steel ball holder
The FZH copper based retainer is made of a bronze alloy material with pure copper (purple copper) added with tin or lead. Wear resistant and chemically stable, with characteristics such as corrosion resistance, high hardness, and bright color.
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  • Technical specifications
    Overall characteristics Value Unit
    Basic information
    Code name FZH  
    Material name Bronze alloy+steel ball  
    Maximum dynamic load 30 N/mm²
    Maximum sliding speed 6 m/s
    Assembly interference fit 0.01~0.02 mm
    Coefficient of frictionμ 0.10~0.08  
    Deviation of steel ball diameter 20~40 mm
  • Product application
    Mainly used in the fields of cold stamping die rolling frame, high-precision machine tools, machine tool accessories, etc.
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