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The United States Bowling Congress (USBC) released multiple research reports examining how bowling ball hardness changes with use and performance implications of ball hardness.
The approved ball list is updated weekly to allow manufacturers and bowlers know what balls are approved for use during USBC-certified competition.
USBC continued its research of bowling ball hardness at the 2020 World Series of Bowling in advance of the 2020 USBC Masters. As the National Governing Body for bowling, USBC is...
Research conducted by the United States Bowling Congress (USBC) Equipment Specifications staff shows environmental factors, especially temperature, can change the hardness measurement of...
Since 2019, the United States Bowling Congress (USBC) Equipment Specifications staff has conducted updated research looking at how bowling ball hardness changes after use over time.
900 Global Break Point Feb-09 900 Global Break Point Pearl Jun-09 900 Global Creature Aug-07 900 Global Creature Pearl Feb-08 900 Global Day Break Jun-09 ... USBC Approved Bowling Balls (See rulebook, Chapter VII, "USBC Equipment Specifications" for any balls manufactured prior to January 1991.) Page 1 of 78.
The USBC Equipment Specifications & Certification Committee may establish specifications for a bowling ball as to roundness, size, materials, and physical properties. A manufacturer producing any new ball, shall submit samples to the USBC Equipment Specifications Department for testing.
