slew drive bearing
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| Bearings Name | New Model | Old Model: | ID(mm) | OD(mm) | Width(mm) | Cr(kN) | Cor(kN) | Grease Lubrication Speed(r/min) | Oil Lubrication Speed(r/min) | Weight(kg) |
| crane Slewing bearing, Slew drive, Slewing bearing kaydon, skf, liebherr | 012.30.500.03 | 012.30.500.03 | 398 | 602 | 80 | - | - | - | - | 75.8 |
| China Slewing Bearing, Slewing Driver, Slew Bearing | 012.75.4000 | - | 3772 | 4226 | 174 | - | - | - | - | 3600.000 |
| Slewing Turntable Bearing for XCMG and Zoomlion Slewing Rings Crane Slew Drive | 021.25.560 | - | 444 | 676 | 106 | - | - | - | - | 115.000 |
| Custom Slewing Bearing and Drives | Engineering Solutions | 020.60.4500 | - | 4222 | 4778 | 226 | - | - | - | - | 4700.000 |
A slew drive bearing, also known as a slew drive or slew drive assembly, combines a slewing ring bearing with a drive mechanism—typically a worm gear or planetary gear system. This assembly provides controlled rotational movement while supporting significant axial and radial loads, making it essential for various applications.
Features:
- Integrated Design: Combines the bearing and drive mechanism into a single unit, simplifying installation and reducing space requirements.
- High Torque Capacity: Capable of handling large loads and providing high torque output, ideal for heavy-duty applications.
- Compact Size: Designed to fit into confined spaces, making them suitable for compact machinery.
Types of Slew Drive Bearings:
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Worm Gear Slew Drives:
- Utilize a worm gear to provide high torque at low speeds, commonly used in applications requiring precise movement and load handling.
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Planetary Slew Drives:
- Employ planetary gears for improved efficiency and speed, suitable for applications that require rapid rotation and high load capacity.
Applications:
- Construction Equipment: Used in cranes, excavators, and material handling machinery for smooth and controlled rotation.
- Renewable Energy: Found in solar tracking systems and wind turbines, allowing for precise adjustments of angle and position.
- Marine Applications: Employed in ship cranes and offshore equipment for accurate positioning and stability.
- Robotics: Utilized in robotic arms and automated systems for precise movement and control.
Advantages:
- Maintenance-Free Options: Some designs may include self-lubricating features, reducing maintenance needs and downtime.
- Customizable Designs: Many manufacturers offer variations to meet specific application requirements and load conditions.
- Corrosion Resistance: Certain models are designed for use in harsh environments, enhancing their longevity and reliability.
Common Materials:
- Steel: Typically used for the housing and internal components, providing strength and durability.
- Stainless Steel: Selected for applications requiring corrosion resistance, especially in outdoor or harsh conditions.
- High-Performance Coatings: Often applied to enhance wear resistance and protect against environmental factors.
