This standard specifies the evaluation method for surface defects of bearing steel balls. This standard is applicable to bearing steel balls with tolerance levels of 3, 5, 10, 16, 20, 24, 28 and a size range of 0.3mm to 50mm in compliance with GB/T 308-2002. It is provided for commercial steel balls or bearings. Inspection and use of steel balls before assembly.
JB/T 10861-2008 Referenced Document
GB/T 15757-2002 Geometrical product specifications(GPS) Surface imperfections--Terms.definitions and parameters
GB/T 2828.1-2003 Sampling procedures for inspection by attributes--Part 1: Sampling schemes indexed by acceptance quality limit(AQL) for lot-by-lot inspection