We utilize precise induction hardening techniques to ensure the raceway depth and hardness (typically 55-62 HRC) are perfectly optimized. This prevents spalling and extends service life even in abrasive environments like mining or construction.
Dust and moisture are the enemies of rotation. Our proprietary multi-stage labyrinth seals, often reinforced with felt or rubber lip seals, provide IP66-level protection. This ensures the internal grease remains clean and effective, drastically reducing maintenance intervals.
The separator (cage) is engineered from high-strength nylon or brass, designed to prevent ball-to-ball friction and ensure uniform spacing. This reduces heat generation and noise, critical for high-speed applications like wind turbine yaw systems.
For precision applications such as robotics or radar antennas, we offer customized preloading solutions to eliminate axial and radial play, ensuring pinpoint accuracy in positioning.
| Parameter | Specification Range | ||
|---|---|---|---|
| Outer Diameter (OD) | 200mm – 2500mm |
|
|
| Load Capacity (Axial) | Up to 1,500 kN | ||
| Load Capacity (Radial) | Up to 800 kN | ||
| Tilting Moment | Up to 600 kNm | ||
| Material | 42CrMo4, 50Mn, C45 | ||
| Hardness (Raceway) | 55-62 HRC | ||
| Gear Options | External/Internal, Helical/Spur | ||
| Sealing Type |
Labyrinth, Rubber Lip, Garter Spring |
Our slewing ring bearings are the silent workhorses behind some of the world's most demanding industries:
From compact excavators to massive tower cranes, our bearings support the upper structure's rotation. The ability to handle shock loads makes them perfect for hydraulic shovels and concrete pump trucks.
In wind turbines, reliability is non-negotiable. Our bearings are extensively used in yaw drives (orienting the nacelle) and pitch systems (adjusting blade angles). They withstand constant vibration and harsh weather conditions offshore and onshore.
Safety is paramount. We supply large-diameter slewing bearings for Ferris wheels and observation decks. These components ensure smooth, jerk-free rotation for passenger comfort while maintaining rigorous safety factors.
Ship-to-shore cranes and floating crane vessels rely on our corrosion-resistant coatings and high-load capacity bearings to operate continuously in salty, humid environments.
Precision manufacturing cells utilize our zero-backlash bearings for rotary tables and robotic arms, ensuring repeatable accuracy in assembly tasks.
Tag: High-Speed Heavy-Duty Slewing Drive | Sany excavator slewing ring | XCMG excavator swing bearing | Zoomlion excavator turntable bearing | Excavator swing device parts | Crawler crane turntable bearing | Tower crane slewing ring
