2-1/2" Inch Chrome Steel Ball Bearings G100
Standard Diameter: 2-1/2" / 2.5 Inches
Metric Diameter: 63.5mm
Material: AISI 52100 Chromium Steel
Ball Weight (each): 2.315 Pounds / 1.05 Kilograms
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.