This standard specifies the vibration (acceleration) technical conditions for commercial steel balls for ball bearings that comply with GB/T 308, have a diameter of 3 to 30.1625, and a tolerance grade of not less than G 20. This standard is applicable to the inspection and acceptance of commercial steel balls with vibration level requirements.
JB/T 8923-1999 history
2010JB/T 8923-2010 Rolling bearings-Specifications for vibration(acceleration) of steel balls
1999JB/T 8923-1999 Rolling bearings.Specifications of vibration (acceleration)for steel balls