UNA rotary table bearing, also known as a slewing bearing or turntable bearing, es un tipo especializado de rodamiento de elementos rodantes diseñado para soportar ejes, radial, and moment loads simultaneously while facilitating rotational movement. These bearings are commonly used in various applications that require smooth and controlled rotation, como en grúas, excavadoras, turbinas de viento, y otra maquinaria pesada. Rotary table bearings play a crucial role in enabling these machines to pivot, swivel, or rotate.
Features of rotary table bearings
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Rotary table bearings have a unique design that allows them to support heavy loads while enabling 360-degree rotational movement around a central axis. They consist of an inner ring (sometimes called the “race”), an outer ring, elementos rodantes (such as balls or rollers), and sometimes a cage or separator.
Axial and Radial Load Capacity
These bearings are designed to handle both axial (thrust) and radial (horizontal) loads simultaneously. This ability to support combined loads is one of their defining features. They can also accommodate moment loads, which are rotational forces applied perpendicular to the bearing’s axis.
Low Profile
Rotary table bearings are often characterized by their relatively low profile or slim design. This allows them to fit into compact spaces while providing high load capacity.
Precision and Smooth Rotation
They are manufactured with high precision to ensure smooth and precise rotation. This is especially important in applications like machine tools, robótica, and radar systems where accurate positioning is critical.
Gear Options
Some rotary table bearings come with integrated gears (such as external or internal gears) that allow for controlled rotation. These gears can be used in conjunction with motors or other drive systems to achieve precise positioning and motion control.
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