Model Number: 3/4 INCH,19.05mm,G100 Brand Name: SAILINGBALL Key Specifications/Special Features: Chrome steel balls (bearing balls), 0.5-55mm, G5-1000.Applications: heavy-duty and high-speed bearing, linear motion guidance system (ball screw), meter milling, ink and paint grinding, chemical industry, food industry Chrome steel ballChemical composition C% Si% Mn% Cr% Cu% S% P% Hardemess 0.90-1.05 0.15-0.35 0.25-0.45 1.35-1.65 0.3 max 0.03 max 0.03 max Through hardened .Applications: heavy-duty and high-speed bearing, linear motion guidance system (ball screw), meter milling, ink and paint grinding, chemical industry, food industry .Density: 7.833g/cm .Grade: 5-milling .Size: 1.0mm-1"