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China, Chinese Solar Slew Plastic Bearing 120mm Slewing Ring Bearing Mini Excavator Slewing Bearing Slewing Ring Bearing1 Industrial Products Supplier Manufacturer Details, price list catalog:
China Industrial Products Supplier Manufacturer List Catalog
BearingSpherical Roller BearingSlewing BearingSlewing Ball Bearing
Shandong UJK Bearing Co., Ltd.
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Product Description Product Description Slewing Ring Bearings (Rotational Support Bearings) - Product OverviewSlewing ring bearings, also known as rotational support bearings or turntable bearings, are large-scale rolling-element bearings designed to support heavy axial, radial, and moment loads while enabling smooth, controlled rotational movement. They are essential components in heavy machinery where robust rotational performance and high load capacity are required. Product Series, Models, Dimensions & Applications1. Single-Row Ball Slewing Series (4-Point Contact)Model Examples:01 Series (e.g., 011.30.1000 | 011.40.1250)HS Series (e.g., HS-50 | HS-100)Dimensions Range:ID: 200mm - 2500mmOD: 300mm - 3000mmHeight: 25mm - 100mmTypical Applications:Mini excavatorsSolar tracking systemsLight-duty industrial rotatorsCrane slewing mechanisms2. Double-Row Ball Slewing SeriesModel Examples:02 Series (e.g., 022.40.1120 | 022.50.1600)Dimensions Range:ID: 400mm - 2000mmOD: 600mm - 2300mmHeight: 50mm - 120mmTypical Applications:Medium-sized excavatorsMobile cranesAerial work platforms3. Crossed Roller Slewing SeriesModel Examples:XR Series (e.g., XR-60 | XR-110)ZK Series (e.g., ZK-40 | ZK-100)Dimensions Range:ID: 300mm - 1500mmOD: 400mm - 1800mmHeight: 30mm - 80mmTypical Applications:Robotic armsPrecision indexing tablesMedical imaging equipmentSatellite communication antennas4. Three-Row Roller Slewing SeriesModel Examples:13 Series (e.g., 133.40.2000 | 133.50.2500)Dimensions Range:ID: 800mm - 4000mmOD: 1000mm - 5000mmHeight: 100mm - 250mmTypical Applications:Large excavators (e.g., Tower cranesHeavy wind turbine yaw systemsPort cranes and ship loaders General Features & Design OptionsGear Types: Internal gear, external gear, or gearlessMounting: Pre-drilled bolt holes (plain or tapped)Sealing: Rubber or labyrinth seals for contamination protectionMaterial: High-carbon chromium steel (50Mn or 42CrMo) with heat treatmentLubrication: Grease fittings and internal lubrication channels Industries ServedConstruction Machinery (excavators, cranes)Renewable Energy (wind turbine yaw/pitch systems) Industrial Automation (rotary tables, indexing systems)Medical & Scanning Equipment Why Choose Our Slewing Rings?Customizable internal clearance and pre-load optionsISO 9001-certified manufacturingOEM and aftermarket support with full technical documentationAvailable in standard and corrosion-resistant versions
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