5/16" Inch Chrome Steel Ball Bearings G25
Standard Diameter: 5/16" / .3125 Inches
Metric Diameter: 7.9375mm
Material: AISI 52100 Chromium Steel
Ball Weight (each): .072065 Ounces / 2.043 Grams
Chrome steel balls offer the precise geometry and fine surface finish that makes them especially useful for bicycles, casters, drawer slides, door locks and many other applications.