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What Is a Slewing Bearing for Shield Tunneling Machine? A slewing bearing for a shield tunneling machine (TBM) is a large-diameter, heavy-duty rotational component that serves as the critical connection between the cutterhead and the main frame of the tunnel boring machine. Often referred to as the “heart” or “spinal joint” of the TBM, this […]
In June 2023, our company successfully delivered a Four-Point Contact Ball Slewing Bearing for a CAT excavator to a client in South America. The customer required a reliable slewing ring to support heavy-duty applications such as mining and earthmoving. We supplied a four-point contact ball slewing bearing, which features a single raceway design with four […]
What is Slewing Bearing in Industrial Robot Joints? In the context of industrial robotics, a slewing bearing is a high-precision, low-profile mechanical joint engineered to support significant multi-directional loads while allowing controlled, smooth rotation between structural links. Far from being a standard industrial part, a robot-grade slewing bearing functions as the central kinematic pivot of […]
Core Exhibit: Spur Gear Slew Drive, Defining New Standards for Efficient Transmission At this exhibition, LDB’s featured spur gear slew drive became the center of attention. Unlike traditional worm gear structures, LDB’s spur gear slew drive achieves higher transmission efficiency, lower backlash, and stronger load capacity through “spur gear meshing + high-rigidity integrated design,” perfectly […]
The modern battlefield demands exceptional structural integrity, speed, and precision from armored combat vehicles (ACVs). Whether navigating rugged, off-road terrain or engaging hostile targets while moving at high speeds, tanks, infantry fighting vehicles (IFVs), and armored personnel carriers rely on advanced subsystems to maintain field dominance. At the core of every modern combat vehicle’s offensive […]
In July 2022, our company successfully delivered a Four-Point Contact Ball Slewing Bearing for a Volvo excavator to a client in South America. The customer required a high-performance slewing ring to support demanding applications such as earthmoving, construction, and infrastructure projects. We supplied a four-point contact ball slewing bearing, which features a single raceway design […]
The global transition toward green energy has turned the spotlight onto oceans as a massive source of untapped power. Tidal current turbines and wave energy converters (WECs) are rapidly advancing from experimental prototypes to commercial-scale installations. Operating in the world’s harshest marine environments requires high-performance machinery. Every subsea system depends on a robust, highly optimized […]
In November 2022, our company successfully delivered a Four-Point Contact Ball Slewing Bearing for a Doosan excavator to a client in South America. The customer needed a high-performance slewing ring to support demanding applications such as earthmoving, construction, and infrastructure development. We supplied a four-point contact ball slewing bearing, which features a single row of […]
What are large slewing bearings? How do they work? Applications in construction, renewable energy, marine & manufacturing. Selection guide and FAQ included.
What is a slewing bearing in a crane? How does it work? Types including single-row, double-row, and three-row. Maintenance tips and selection guide.
Contact: Tony
E-mail: Tony@ldb-bearing.com
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