Custom slew bearing for Spain customer
Custom slew bearing for UnitedKingdom customer
Slew bearing for Brazll customer
Slewing bearings exported to Russla
Slewing bearings for UnitedStates customer
Slewing ring exported to Southeast Asia
Slewing ring exported to Southwest Asia
Slewing ring exported to North America
Slewing ring exported to South America
Slewing ring exported to South Africa
Slew bearing for India customer
Slew bearing for Latin America customer
Slewing bearing for Türkiye customer
Slewing bearing for Uzbekistan customer
Slewing ring exported to South Korea
Slewing ring exported to Mexico
Custom slew bearing for Mexico customer
Custom slew bearing for Italy customer
Custom slew bearing for Vietnam customer
Slewing bearing for Europe customer
Product Overview: Precision Within Standard Bounds
The three-row roller slewing bearing is renowned for its ability to handle high axial, radial, and moment loads simultaneously. Our standard size range covers the most commonly requested outer diameters in the industry, typically ranging from 400mm up to 2500mm, with specific intermediate sizes that align with popular OEM specifications.
Each bearing in this series features:
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Three Independent Raceways: One vertical row for axial loads and two horizontal rows for radial forces and tilting moments. This separation maximizes stiffness and minimizes deformation under load.
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Precision-Machined Gears: Available with external or internal gearing, cut to standard modules (Mod) and pressure angles (usually 20°) compatible with industry-standard pinions.
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Optimized Steel Grades: Manufactured from high-purity 42CrMo4 or 50Mn steel, induction hardened to precise depths to ensure the raceways withstand millions of cycles without spalling.
Unlike generic suppliers who might claim "standard" but deliver slight deviations requiring shims or re-drilling, our ISO compliant rotary bearings are machined to tight tolerances (IT6/IT7). This guarantees that when you order a bearing based on a standard drawing, it arrives ready to install.
Key Features: Why Standard Doesn’t Mean Basic
Choosing a standard size three-row roller slewing bearing from our factory gives you the best of both worlds: the availability of off-the-shelf components with the quality of custom engineering.
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True Interchangeability: Our dimensions are cross-referenced against major international standards. If you have a drawing for a common European or American brand, chances are we have a direct equivalent in our heavy-duty slewing bearing catalog.
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Immediate Availability & Faster Lead Times: Because we produce these off-the-shelf three-row bearings in batch runs, we maintain strategic stock levels of popular sizes. This drastically reduces downtime for emergency replacements compared to waiting for a custom build.
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Verified Load Ratings: Every standard size comes with a verified technical data sheet detailing static and dynamic load ratings, friction torque, and limiting speeds. No guesswork—just hard data for your calculations.
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Robust Sealing for All Climates: Standard units come equipped with multi-lip seals designed to retain grease and exclude contaminants in temperatures ranging from -40°C to +80°C, suitable for most global operating environments.
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Cost-Effective Reliability: By optimizing our production lines for these standard specifications, we pass significant cost savings to you, offering premium metallurgical quality at a competitive price point.
Applications: Proven Across Industries
Our standard specification slew rings are the go-to replacement and OEM choice for a wide array of heavy equipment:
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Hydraulic Excavators (20T – 50T Class): The swing mechanism in mid-to-large excavators demands high rigidity. Our standard sizes fit perfectly into mainstream excavator undercarriages, providing smooth rotation for digging and lifting.
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Mobile & Crawler Cranes: From telescopic boom cranes to lattice boom crawlers, these bearings support the upper works while handling complex combined loads during lifting operations.
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Wind Turbine Yaw Systems: Many onshore wind turbines utilize standard large-diameter three-row bearings for yaw control, benefiting from the high moment load capacity to resist wind gusts.
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Mining Shovels & Drills: In open-pit mining, equipment like electric shovels and rotary drill rigs rely on these standardized heavy-duty units for continuous, high-torque operation.
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Concrete Pump Trucks: The turret rotation on long-boom pump trucks requires the stability and load capacity provided by our standard three-row designs.
Tag: Three-Row Roller Slewing Bearings
