STR Industries manufactures millions of bearing balls. The balls come in many different grades, as defined by the American Bearing Manufacturers Association (ABMA), which defines the precision of balls. Predictable uniformity, or repeatablity, in the manufacturing prociess is crucial to ensuring consistent perfomance of STR's bearing balls.

Bearing balls are a type of rolling-element bearing that uses balls to maintain the separation between moving parts. Bearing balls are at the heart of almest every product with a rotating shaft. They are used in bicycles, blenders, washing machines, fans, and many other products.

Available Grades and Sizes:

Grade Size Range (inches) Grade Size Range (inches)
 
3 025" - 3/16" 48 1/32" - 2 1/2"
5 .025" - 1 1/2" 100 1/32" - 4 1/2"
10 1/32" - 2 1/2" 200 1/32" - 4 1/2"
16 1/32" - 2 1/2" 1000 1/32" - 4 1/2"
24 1/32" - 2 1/2"