Cojinetes de giro, also known as slewing rings, Son rodamientos especializados diseñados para soportar rodamientos axiales., radial, y cargas de momento, typically used in applications like cranes, turbinas de viento, and excavators. They are classified based on their structural design, the number of rolling elements, and the type of load they are designed to handle.
Slewing Bearing Types
1. Single-Row Four-Point Contact Ball Bearings
Descripción: These bearings have a single row of balls that make four points of contact with the raceways.
plantación de invernadero:
Capable of handling axial, radial, y cargas de momento simultáneamente.
Compact design.
Moderate load-carrying capacity.
Aplicaciones: Cranes, excavadoras, tocadiscos, and light-duty equipment.
2. Single-Row Crossed Roller Bearings
Descripción: This type has a single row of cylindrical rollers arranged in a crisscross pattern, alternating at 90° angles.
plantación de invernadero:
High precision and rigidity.
Excellent for applications requiring minimal deflection.
Can handle higher moment loads compared to ball bearings of similar size.
Aplicaciones: robótica, Equipo medico, y maquinaria de precisión.
3. Double-Row Ball Bearings
Descripción: These bearings have two rows of balls, typically separated by a spacer.
plantación de invernadero:
Higher load-carrying capacity compared to single-row designs.
Handles heavy axial and radial loads but limited moment load capability.
Aplicaciones: Wind turbines, heavy-duty cranes, and construction machinery.
4. Three-Row Roller Bearings
Descripción: These bearings consist of three separate rows of rollers, each designed to carry a specific type of load (radial, axial, or moment).
plantación de invernadero:
Extremely high load-carrying capacity.
Larger size and heavier weight compared to other types.
Aplicaciones: Large excavators, ship cranes, and heavy-duty rotating machinery.
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