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Gearless four-point contact ball slewing bearing

The toothless four-point-contact ball slewing bearing is a specialized mechanical bearing with unique structural features, making it ideally suited for applications requiring high load capacity, unrestricted rotational freedom, and precise positioning.

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Gearless Cross-Roller Turntable Bearing

The installation of a gearless cross-roller slewing bearing is a critical step that must be carried out with care to ensure proper operation and long-term stability.

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External-tooth four-point-contact ball slewing bearing

An external-tooth four-point-contact ball slewing bearing is a specialized rolling bearing commonly used in large rotating equipment and mechanical systems that require high load-carrying capacity and rotational freedom. These bearings feature an external gear ring, typically configured as a gear–rack assembly, which interfaces with an external drive system to enable rotation.

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External-tooth cross-roller slewing bearing

External-tooth cross-roller slewing bearings are complex mechanical components used to support and rotate large structures, such as lifting equipment, rotary platforms, construction machinery, and other applications requiring high load capacity and rotational freedom.

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Four-point contact ball slewing bearing

A four-point-contact ball slewing bearing is a specially designed mechanical bearing used to support and rotate large structures, such as lifting equipment, rotating platforms, wind turbines, and construction machinery.

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Internal-tooth four-point-contact ball slewing bearing

Applications of internal‑gear four‑point contact ball slewing bearings: Lifting equipment: Used in cranes, tower cranes, stage lighting hoisting systems, and similar devices to support both rotational and lifting functions. Rotating platforms: Employed in rotating stages, exhibition equipment, camera‑support systems, and other applications to ensure smooth rotation.

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Internal-tooth cross-roller turntable bearing

The operating principle of an internal‑gear cross‑roller slewing bearing is based on its crossed roller arrangement, which enables the bearing to simultaneously accommodate loads from multiple directions. When a load is applied, the crossed rollers roll along the raceways between the inner and outer rings, thereby supporting the load. This design allows the bearing to handle high radial and axial loads while maintaining low friction, thus enhancing its efficiency.

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Crossed Roller Turntable Bearing

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MTO gearless slewing bearing

A toothless slewing bearing, also known as a sliding-type slewing bearing or a ring‑less slewing bearing, is a mechanical bearing assembly used to support and rotate large structures such as cranes, excavators, wind turbines, satellite tracking systems, and other applications requiring high load capacity and rotational freedom.

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MTE external-tooth slewing bearing

Applications of MTE external-tooth slewing bearings: Heavy machinery: Used in various heavy-duty equipment, including cranes, excavators, concrete pump trucks, and more, to support their rotational and lifting functions. Wind energy: Employed in wind turbines to orient the turbine blades into the wind, maximizing wind‑energy capture. Aerospace: Utilized in satellite tracking systems, radar antennas, and space telescopes to enable precise positioning and tracking. Industrial equipment: Applied in industrial machinery, welding equipment, rotary tables, and loaders to facilitate rotation and positioning.

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