Part NumberGradeMax Temp.(°F)DensityHardness(HRC)Ball Dia ToleranceSphericityWeight5/4"G1021923.10 g/cm³85~90±0.000010"0.000010"52.29g19/16"G1021923.10 g/cm³85~90±0.000010"0.000010"44.83g1 1/8"G1021923.
Part NumberGradeMax Temp.(℃)DensityHardness(HRC)Ball Dia ToleranceSphericityWeight2"G1018003.95 g/cm³80±0.000010"0.000010"268.39g1 7/8"G1018003.95 g/cm³80±0.000010"0.000010"221.15g1 3/8"G1018003.95 g/cm
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