Bushing 15039838 High-Durability Bronze Bushing for Hydraulic Rock Drills
Bushing 15039838 High-Durability Bronze Bushing for Hydraulic Rock Drills - Image 2
Bushing 15039838 High-Durability Bronze Bushing for Hydraulic Rock Drills - Image 3
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Bushing 15039838 High-Durability Bronze Bushing for Hydraulic Rock Drills - Image 5

Bushing 15039838 High-Durability Bronze Bushing for Hydraulic Rock Drills

Part Number: 15039838
  • Material:
  • Dimensions:
    • Inner Diameter:
    • Outer Diameter:
    • Length:
  • Weight: 0.3 kg (calculated based on SAE 660 density)
  • Surface Finish: Zinc plating (salt spray resistance 240+ hours)
  • Load Capacity:
    • Dynamic: 15 kN
    • Static: 25 kN
  • Temperature Range: -40°C to 150°C
  • Compatibility: Direct fit for hydraulic rock drills requiring 30 mm bore diameter mounting
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High-Durability Bronze Bushing for Hydraulic Rock Drills
Engineered for extreme underground mining conditions, this bushing ensures reliable performance in high-vibration hydraulic rock drill applications. Constructed from SAE 660 bronze (83% copper, 7% lead, 3% zinc), it withstands continuous dynamic loads up to 15 kN while resisting wear and corrosion in abrasive environments .

 

Technical Specifications & Design
The bushing features a 30 mm inner diameter (ISO 4385 tolerance) and 45 mm outer diameter, designed for secure mounting in hydraulic cylinder assemblies and drill rig components. Its quenched & tempered finish (70 HB hardness) enhances resistance to fatigue failure under repetitive impact loads . The zinc-plated surface provides 240+ hours of salt spray protection, ensuring longevity in mineral oil and moisture-rich environments .

 

Performance Advantages
  • Vibration Resistance: Precision-machined inner surface reduces friction by 20% compared to plain steel, minimizing energy loss in high-speed rotating systems.
  • Temperature Stability: Operates reliably from -40°C to 150°C, suitable for both cold climates and high-heat drilling environments.
  • Longevity: SAE 660 bronze material and zinc plating extend service life by 30% compared to standard carbon steel bushings.

 

Applications
  • Underground Mining: Critical for supporting rotating shafts in hydraulic rock drills used in tunnel boring and ore extraction.
  • Heavy Machinery: Used in excavators and loaders to reduce wear in high-pressure hydraulic systems.
  • Industrial Hydraulics: Supports presses and material handling equipment, ensuring smooth operation in repetitive motion tasks.

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