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The USBC and World Bowling promulgate bowling ball specifications. USBC specifications include physical requirements for weight (≤16 pounds (7.3 kg)), diameter (8.500 inches (21.59 cm)—8.595 inches (21.83 cm)), surface hardness, surface roughness, hole drilling limitations (example: a single balance hole including the thumb hole for "two-handed" bowlers [3]), balance, plug limitations, and ...
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Bowling is a target sport and recreational activity in which a player rolls a ball toward pins (in pin bowling) or another target (in target bowling). The term bowling usually refers to pin bowling, most commonly ten-pin bowling , though in the United Kingdom and Commonwealth countries, bowling may also refer to target bowling, such as lawn bowls .
The balls are biased in the same way as the lawn bowls balls but with a diameter of about 20 cm (7.9 in), a thickness of 12 cm (4.7 in) and a weight of about 2 kg (4.4 lb), they are a bit bigger than usual bowls. The target is an unmovable feather or metal plate on the ground, instead of a small ball.
Their most notable brand name is Columbia 300, which has produced some of the most well-known balls in the sport. Beginning in 1960 in Ephrata, Washington (near the Columbia River), Columbia Industries was the first manufacturer to successfully use polyester resin ("plastic") in bowling balls. Prior to this, nearly all bowling balls were made ...
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The Dutch name for rolle bolle, krulbollen, literally translates to "curve ball" due to the elliptical path taken by the bolle. In the late 19th and early 20th centuries, Belgian and Dutch immigrants to the United States and Canada introduced rolle bolle ( krulbollen ) and other similar Belgian sports such as feather bowling ( trabollen ).
The ball used in candlepins has a maximum weight of 2 lb 7 oz (1.1 kg), and has a diameter of 4.5 in (11 cm), [1] making it the smallest bowling ball of any North American bowling sport. The nearly identical weight of the ball, when compared to that of just one candlepin 2 lb 8 oz (1.1 kg), [ 1 ] causes balls to deflect when impacting either ...