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Spherical Bearing Spherical Plain Bearings Ge15es-2RS Ge17es-2RS Ge20es-2RS Ge25es-2RS Ge30es-2RS Ge35es-2RS Ge40es-2RS Ge45es-2RS Ge50es-2RS Ge60es-2RS Ge70es-1
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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