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  2. Bearing (mechanical) - Wikipedia

    en.wikipedia.org/wiki/Bearing_(mechanical)

    A ball bearing. A bearing is a machine element that constrains relative motion to only the desired motion and reduces friction between moving parts.The design of the bearing may, for example, provide for free linear movement of the moving part or for free rotation around a fixed axis; or, it may prevent a motion by controlling the vectors of normal forces that bear on the moving parts.

  3. Ball bearing - Wikipedia

    en.wikipedia.org/wiki/Ball_bearing

    Although bearings had been developed since ancient times, the first modern recorded patent on ball bearings was awarded to Philip Vaughan, a Welsh inventor and ironmaster who created the first design for a ball bearing in Carmarthen in 1794. His was the first modern ball-bearing design, with the ball running along a groove in the axle assembly. [1]

  4. Bridge bearing - Wikipedia

    en.wikipedia.org/wiki/Bridge_bearing

    Rotating bearings allowed movement in both the horizontal and vertical directions. Both plane bearings and roller bearings were made of metal. In the mid-1900s, deformation bearings began to be used, which were made of rubber. Deformation bearings primarily include elastomeric bearings, the most common type of bridge bearing used today. [5]

  5. Plain bearing - Wikipedia

    en.wikipedia.org/wiki/Plain_bearing

    The design of a plain bearing depends on the type of motion the bearing must provide. The three types of motions possible are: Journal (friction, radial or rotary) bearing: This is the most common type of plain bearing; it is simply a shaft rotating in a hole. [3]

  6. Rolling-element bearing - Wikipedia

    en.wikipedia.org/wiki/Rolling-element_bearing

    A bearing can last indefinitely—longer than the rest of the machine—if it is kept cool, clean, lubricated, is run within the rated load, and if the bearing materials are sufficiently free of microscopic defects. Cooling, lubrication, and sealing are thus important parts of the bearing design.

  7. Friedrich Fischer - Wikipedia

    en.wikipedia.org/wiki/Friedrich_Fischer

    Thus, the worldwide success story of the ball bearing begins in Schweinfurt. Later, 1883 is officially declared the year in which the company was founded. 1890 - On July 17, Fischer received the patent for his ball grinding machine from the Kaiserliches Patentamt .

  8. Magnetic bearing - Wikipedia

    en.wikipedia.org/wiki/Magnetic_bearing

    Croot's [17] design also included an advance computerised control system, while the last design was a non-linear magnetic bearing. Kasarda [18] reviews the history of active magnetic bearings in depth. She notes that the first commercial application of active magnetic bearings was in turbomachinery. The active magnetic bearing allowed the ...

  9. Tapered roller bearing - Wikipedia

    en.wikipedia.org/wiki/Tapered_roller_bearing

    Tapered roller bearings were a breakthrough at the end of the 19th century because bearings used in wheel axles had not changed much since ancient times. They consisted of a cylindrical seat on the frame and part of the axle enclosed in a case or box that held a lubricant.