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 feet wide and 3 1/2 feet tall.
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. These balls are made up of orange leather having black lettering, and are of size 7.
A regulation basketball used in NBA play is inflated to an air pressure between 7.5 and 8.5 pounds of pressure per square inch. Many balls are inflated to the average pressure of 8 pounds. Regulating a basketball's air pressure ensures fair playing conditions throughout a league. A ball's internal air pressure determines the height of its bounce.
The NBA uses full-grain leather balls made by Wilson. They are size 7 and weigh 22 ounces, have a circumference of 29.5 inches, and are inflated between 7.5 to 8.5 PSI. These balls are orange in color with black seams for grip. WNBA. Spalding has been making the official game balls for the WNBA since 1997 when the league first started.
The official NBA and competitive professional basketball is 29.5” | 74.9 cm in circumference with a diameter between 9.43”-9.51” | 24-24.2 cm. Professional basketballs must be inflated to a pressure between 7.5-8.5 PSI and cannot exceed the maximum weight of 22 ounces. When choosing a basketball, consider whether the play environment will be primarily outdoor or indoor because indoor basketballs perform best as full-grain leather constructions and outdoor basketballs are better as rubber.
The official NBA basketball has a circumference of 29.5 inches and an air pressure of 7.5 to 8.5 psi. The official NBA basketball is commonly referred to as a size 7. WNBA Basketball Weight. The WNBA and the NBA may have a similar 10-foot hoop and 50 feet x 94 feet of court, but there is a slight difference between the weight of the basketball they use.
The NBA official basketballs are inflated between 7.5 to 8.5 PSI. Most of the official size or close basketballs have recommended PSI from 7 to 9. Simply attach the gauge nozzle with the valve to monitor the air pressure. Do not worry if you don’t have an inflation gauge.
NBA Player’s choice: Official game ball of the NBA Official size: Size 7, 29.5” Inflation: Shipped inflated and we recommend 8 PSI Indoor play only