Who really invented the ball bearing ,who invented the first ball bearing?

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       The earliest recovered example of a rolling element bearing is a wooden ball bearing supporting a rotating table from the remains of the Roman Nemi ships in Lake Nemi, Italy. The wrecks were dated to 40 BC.[6][7]

Leonardo da Vinci incorporated drawings of ball bearings in his design for a helicopter around the year 1500. This is the first recorded use of bearings in an aerospace design. However, Agostino Ramelli is the first to have published sketches of roller and thrust bearings.[2] An issue with ball and roller bearings is that the balls or rollers rub against each other causing additional friction which can be prevented by enclosing the balls or rollers in a cage. The captured, or caged, ball bearing was originally described by Galileo in the 17th century.[citation needed]

The first practical caged-roller bearing was invented in the mid-1740s by horologist John Harrison for his H3 marine timekeeper. This uses the bearing for a very limited oscillating motion but Harrison also used a similar bearing in a truly rotary application in a contemporaneous regulator clock.



Philip Vaughan was a Welsh inventor and ironmaster who patented the first design for a ball


The brilliant Leonardo da Vinci was first to develop an early model for ball bearings in the 16th century. Ball bearings, or antifriction bearings as they are sometimes called, are one type of rolling bearing that is used to help reduce friction between two moving parts (like skateboard wheels on an axle).

But it wasn't until 1791 that English inventor Philip Vaughn obtained the first patent for today's ball bearings while working on carriage axles.



bearing in 1794.[1][2] Vaughan's patent[3] described how iron balls could be placed between the wheel and the axle of a carriage. The balls let the carriage wheels rotate freely by reducing friction.[4]
Vaughan was granted a patent in 1794 for a ball bearing that sits between the axle and the wheel on a carriage. His design has the balls running inside deep grooves, and sealed in place with a stopper.

Bearings are used in most rotating machines in the modern world - found throughout the rotating parts in cars, bikes, trains, planes etc. These modern ball bearings work in much the same way as Vaughan's initial invention. They make vehicles more efficient by reducing the friction between the moving parts. Without bearings, our mechanical world would simply not work.


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