ABEC 5 bearings use grade 5 Chromium Steel Balls and 52100 High Carbon Chromium Alloy Races.The high precision balls are within 5/1.000.000 round. These are military level specification, used for precision equipment. R-64 hardness, of the highest grade.
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ABEC 5 bearings use grade 5 Chromium Steel Balls and 52100 High Carbon Chromium Alloy Races.
The high precision balls are within 5/1.000.000 round. These are military level specification, used for precision equipment. R-64 hardness, of the highest grade.
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