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Spherical Plain Bearings Ge10c Ge10e Ge110es Ge12c Ge12e Ge15c Ge17c Ge17es Ge20c Ge20es Ge25c Ge25es Ge25es2RS Ge25sx Ge30 Ge30c Ge30es Ge351
Bearing Accessories, Spherical Plain Bearings, Plain Bearings
Shandong UJK Bearing Co., Ltd.
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Product Description Product DescriptionUJK Spherical Plain Bearings: Precision Articulation for Heavy-Duty Motion ControlUJK spherical plain bearings (also called joint bearings) enable precise angular misalignment (±3°-15°) and rotational/swiveling motion under extreme loads, vibration, and harsh environments. Designed with a spherical sliding contact surface (inner ring + outer ring), they eliminate rolling elements to deliver unmatched impact resistance and durability where conventional ball/roller bearings fail.Key Advantages & Design TypesFeatureRadial Type (GE/GEM)Angular Contact Type (SI/SAC)Load DirectionRadial + Light AxialCombined Radial + Heavy Unidirectional AxialMisalignment±10°-15°±3°-8°Friction ReductionPTFE/Glass Fiber Composite Liner (Self-Lubricating)Maintenance-Free Metallic Sliding SurfaceRobustnessShock Load Resistant (3× Higher vs. Roller Bearings)Corrosion-Resistant (Stainless Steel Options)InstallationSimple Press-Fit HousingFlanged/Threaded Outer Ring for Secure Mounting Core Product Series & Specifications(Conforms to ISO 12240 & DIN 648 standards)SeriesStructureBore Range (mm)Static Load (C)Dynamic Load (C)Liner MaterialApplicationsGE..C/ERadial, Self-Lubricating6-3008-4,500 kN3-1,800 kNPTFE + Fiber CompositeHydraulic Cylinders, ValvesGEP..FSRadial, Sealed10-12012-1,200 kN5-480 kNPTFE + Bronze SinteredAgriculture Machinery (Pivots)SI..ESAngular Contact15-20025-3,800 kN10-1,500 kNHardened Steel/SS304Crane Hooks, LinkagesSAC..DAxial + Angular20-18040-4,200 kN16-1,700 kNCuZn25Al5 BronzeConstruction Boom JointsGX..T/KRod EndsM6-M482-180 kN0.8-72 kNPTFE/Chromium SteelSteering Systems, Actuators Critical Technical HighlightsSelf-Lubricating InnovationGE..C Series: Embedded PTFE/fiber liners operate at -40°C to +260°C without relubrication.Dry-Running Capability: Ideal for food/pharma applications where oil/grease is prohibited.Extreme Environment ResilienceCorrosion Resistance: 316L stainless steel options for marine/chemical exposure.Sealed Variants (GEP..FS): Triple-lip seals block abrasive particles in mining/construction.Precision MachiningSpherical surfaces ground to ≤0.002 mm tolerance for smooth articulation.Hardened raceways (HRC 58-62) resist denting under impact loads. Typical Industrial ApplicationsHeavy Machinery: Excavator boom joints (SAC series), conveyor tensioners (GE series).Automotive: Suspension linkages (GX rod ends), clutch release bearings.Aerospace: Landing gear pivots, flap actuators (SiCr-coated variants).Renewable Energy: Pitch/yaw bearings in wind turbines (GEP..FS sealed units).Robotics: Articulated arm joints requiring ±15° misalignment.
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