Premium self-lubricating ball joint bearing for heavy-duty applications, crafted from high-grade alloy steel with hardened spherical surfaces. Features precision-ground PHS4 threads for secure male-end connections and maintenance-free PTFE liner ensuring smooth rotation under extreme loads. Ideal for industrial machinery, automotive suspensions, and agricultural equipment requiring high articulation with minimal friction. Superior corrosion resistance achieved through advanced zinc-nickel plating. OEM-compatible design withstands radial/axial loads up to 3.5kN while eliminating squeaks. Direct factory pricing enables bulk procurement at 40% below market rates for wholesalers. Ships with ISO-certified packaging ensuring international compliance.