1-1/4" Inch Chrome Steel Ball Bearings G100
Standard Diameter: 1-1/4" / 1.25 Inches
Metric Diameter: 31.75mm
Material: AISI 52100 Chromium Steel
Ball Weight (each): 4.6127 Ounces / 130.767 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.