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Padel (Spanish: pádel), also sometimes called padel tennis, is a racket sport of Mexican origin, typically played in doubles on an enclosed court slightly smaller than a doubles tennis court. [1] [2] Although padel shares the same scoring system as tennis, the rules, strokes, and technique are different. The balls used are similar but with a ...
Racket sports (or racquet sports) are games in which players use a racket or paddle to hit a ball or other object. [1] Rackets consist of a handled frame with an open hoop that supports a network of tightly stretched strings.
Silicon nitride bearing balls, in diameters ranging from 1 to 20mm. Bearing balls are special highly spherical and smooth balls, most commonly used in ball bearings, but also used as components in things like freewheel mechanisms. The balls themselves are commonly referred to as ball bearings. [1] This is an example of a synecdoche.
Ball bearings tend to have lower load capacity for their size than other kinds of rolling-element bearings due to the smaller contact area between the balls and races. However, they can tolerate some misalignment of the inner and outer races. Common ball bearing designs include angular contact, axial, deep-groove, and preloaded pairs.
Dunlop Sport is a British sports equipment manufacturing company established in 1910 that focuses on racquets and water sports, more specifically tennis, swimming, squash, padel and badminton. Products by Dunlop Sport include racquets, strings, balls , shuttlecocks , and bags.
In the case of ball bearings, the bearing has inner and outer races and a set of balls. Each race is a ring with a groove where the balls rest. The groove is usually shaped so the ball is a slightly loose fit in the groove. Thus, in principle, the ball contacts each race at a single point.