What is ntn bearing’s history

192 Published by admin Dec 26,2018

What is ntn --In the early form of linear motion bearings, a row of wooden poles was placed under a row of rafts. This technique may be traced back to the construction of the Great Pyramid of Giza, although there is no clear evidence. Modern linear motion bearings use a working principle, except that balls are sometimes used instead of rollers.

What is ntn--The earliest sliding and rolling element bearings were made of wood. Ceramics, sapphires or glass are also used. Steel, copper, other metals, plastics (such as nylon, bakelite, Teflon and UHMWPE) are commonly used.

what is ntn bearing

What is ntn--From heavy-duty wheel axles and machine tool spindles to precision timepiece components, rotary bearings are required for many applications. The simplest rotary bearing is a bushing bearing, which is simply a bushing sandwiched between the wheel and the axle. This design was subsequently replaced by a rolling bearing, which replaced the original bushing with a number of cylindrical rollers, each rolling body being like a separate wheel.The first practical rolling bearing with cage was invented by watchmaker John Harrison in 1760 for the production of the H3 chronograph.

What is ntn--An example of an early ball bearing was found on an ancient Roman ship found in Lake Nami, Italy. This wooden ball bearing is used to support the rotating table top. This ship was built in 40 BC. It is said that Leonardo da Vinci described a ball bearing around 1500.What is ntn--In the 17th century, Galileo made the earliest description of the "fixed ball" or "cage ball" ball bearings. But for a long time afterwards, mounting the bearings on the machine has not been achieved. The first patent on the ball channel was obtained by Carmarthen's Philip Vaughan in 1794.

what is ntn bearings

What is ntn--In 1883, Friedrich Fisher proposed the use of a suitable production machine to grind steel balls of the same size and roundness. This laid the foundation for the creation of an independent bearing industry.What is ntn--In 1962, the FAG trademark was revised and used today, and in 1979 became an integral part of the company.

What is ntn--In 1895, Henry Timken designed the first tapered roller bearing, which was patented three years later and established Timken.

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