Bushing 15039838 High-Durability Bronze Bushing for Hydraulic Rock Drills

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 .