A cannon bearing or cannon box bearing is an arrangement of bearings on a shaft, usually an axle, where two bearings are mounted in an enclosed tube. The function of the cannon box is to preserve the alignment of the two bearings, even if the overall tube is allowed to move. The two bearings will retain their same relative position. The bearing tube can be attached to the vehicle frame through either a pivot or springs.
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| - Rodamiento de cañón (es)
- Cannon bearing (en)
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| - A cannon bearing or cannon box bearing is an arrangement of bearings on a shaft, usually an axle, where two bearings are mounted in an enclosed tube. The function of the cannon box is to preserve the alignment of the two bearings, even if the overall tube is allowed to move. The two bearings will retain their same relative position. The bearing tube can be attached to the vehicle frame through either a pivot or springs. (en)
- Un rodamiento de cañón es un tipo de dispositivo mecánico formado por dos cojinetes montados en los extremos de un tubo exterior, que por lo general sirve para alojar un eje que lo recorre longitudinalmente por su interior. La función del mecanismo consiste en conservar la alineación de los dos cojinetes, independientemente de que el tubo exterior pueda moverse. Se suele unir al bastidor de un vehículo mediante pivotes o resortes. (es)
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| - A cannon bearing or cannon box bearing is an arrangement of bearings on a shaft, usually an axle, where two bearings are mounted in an enclosed tube. The function of the cannon box is to preserve the alignment of the two bearings, even if the overall tube is allowed to move. The two bearings will retain their same relative position. The bearing tube can be attached to the vehicle frame through either a pivot or springs. The name 'cannon box' derives from the appearance of the hollow tube. Also from the boring machines used to machine the accurately aligned bearing seats, the same machines developed for the boring of cannon and also used for machining the cylinders of steam engines. Cannon box bearings are still found today, although much of the need for them was removed by the development of self-aligning ball bearings. These allow the inner race of a bearing to move independently of its outer, so that each bearing can align to both shaft and housing simultaneously, even if the housing moves around. (en)
- Un rodamiento de cañón es un tipo de dispositivo mecánico formado por dos cojinetes montados en los extremos de un tubo exterior, que por lo general sirve para alojar un eje que lo recorre longitudinalmente por su interior. La función del mecanismo consiste en conservar la alineación de los dos cojinetes, independientemente de que el tubo exterior pueda moverse. Se suele unir al bastidor de un vehículo mediante pivotes o resortes. El nombre 'rodamiento de cañón' deriva de la apariencia del tubo hueco, así como de las máquinas perforadoras utilizadas para mecanizar los asientos de los cojinetes alineados con precisión, las mismas máquinas desarrolladas para perforar cañones y para mecanizar los de las máquinas de vapor. La presencia del tubo exterior ha motivado que también se denomine caja de cañón. Los rodamientos de caja de cañón todavía se emplean hoy en día, aunque el desarrollo de cojinetes de bolas con autoalineado redujo en gran parte su uso. Estos últimos permiten que la banda interna de un rodamiento se mueva independientemente de la exterior, de modo que un rodamiento puede alinearse con el eje y la carcasa simultáneamente, incluso si la carcasa se mueve. (es)
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