To begin with, the nba basketball is produced by spalding, and the official size for men's tournaments has to be 29.5 inches in circumference. with a weight of 22 oz., the ball can be inflated with a pressure range of 7.5 to 8.5 psi.. Recommended inflation is 8 psi introducing: the celebrity store look like the icons. frequently bought together spalding is the largest basketball equipment supplier in the world, and america's first baseball company. spalding is the official basketball of the national basketball association (nba) and women's national basketball association. Shop indoor, outdoor, and all surface spalding basketballs. the official basketball of the nba..
The acronym psi stands for "pounds per square inch" - a measurementof compressed air inside a vahicle tire. the word "psi" is the 23rd letter of the greek alphabet.. A regulation nba basketball must contain between 7 1/2 and 8 1/2 pounds of pressure per square inch, or psi. the ball also must exhibit an official nba approval mark. at the beginning of an nba game, each team must have access to six balls during the warm-up period. a regulation backboard measures 6. Among them are pounds per square inch, millimeters of mercury, atmospheres, and pascals. in the united states, we measure this force using psi, or pounds per square inch. conventional wisdom is that a basketball needs 8 psi to be properly inflated..