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9m-1328
CAT
9m-1328
Engineered for the rigorous demands of the construction industry, this Spherical Plain Bearing (also known as a Heavy-Duty Joint Bearing) serves as a critical component in the transmission systems of heavy machinery. Manufactured from high-grade bearing steel, it combines precision machining with a specialized black oxide treatment to deliver exceptional durability, superior load capacity, and outstanding wear resistance in the most challenging environments.
Superior Material Composition:
Constructed from premium Bearing Steel (GCr15 / AISI 52100), this bearing offers a high degree of purity and density. Unlike standard carbon steel alternatives, bearing steel provides excellent hardenability and core toughness. This ensures the component maintains structural integrity under extreme shock loads and continuous heavy stress, drastically reducing the risk of deformation or fracture.
Precision Machined Geometry:
Through advanced CNC turning and precision grinding processes, the spherical contact surfaces are finished to exacting tolerances. This high-precision geometry guarantees smooth oscillatory movement, minimizes frictional drag, and ensures accurate positioning within your machinery’s linkage system.
Protective Black Oxide Treatment:
The surface features a uniform Black Oxide (Blackening) finish. This thermal treatment creates a thin, conversion coating that serves multiple purposes:
Corrosion Resistance: Provides a barrier against rust and environmental oxidation.
Lubrication Retention: The micro-porous surface holds lubricants effectively, ensuring a consistent oil film between moving parts.
Reduced Surface Friction: Lowers the coefficient of friction during initial startup phases.
Exceptional Load-Bearing Capacity:
Designed specifically for heavy-duty applications, this bearing is capable of withstanding massive radial loads and moderate axial loads simultaneously. Its robust design is optimized for low-speed, high-impact scenarios where standard ball bearings would fail.
Self-Aligning Function:
The spherical design accommodates angular misalignment. It compensates for shaft deflection and mounting errors, preventing edge loading and ensuring even stress distribution across the bearing surface.
Parameter | Specification |
|---|---|
Material | High Carbon Chromium Bearing Steel (GCr15) |
Hardness | HRC 60-64 (Inner Ring), HRC 58-62 (Outer Ring) |
Surface Treatment | Black Oxide Coating |
Lubrication | Pre-lubricated / Grease Nipple Ready |
Load Type | Radial & Axial (Single Direction) |
Temperature Range | -20°C to +120°C |
This spherical plain bearing is the ideal choice for various segments of heavy construction equipment:
Excavators & Backhoes: Boom, arm, and bucket pivot joints; hydraulic cylinder rod ends.
Wheel Loaders & Dozers: Articulation joints, lift arm linkages, and track tensioning systems.
Cranes & Lifting Equipment: Outrigger supports and boom pivot points.
Mining Machinery: Heavy-duty suspension systems and transmission drive shafts.
In heavy machinery, downtime is costly. Our Spherical Plain Bearings are manufactured under strict ISO quality control standards to ensure consistency and reliability. By choosing our components, you invest in longevity, reduced maintenance costs, and enhanced operational safety for your fleet of heavy equipment.
