4" Inch Chrome Steel Ball Bearings G100
Standard Diameter: 4" / 4.00 Inches
Metric Diameter: 101.6mm
Material: AISI 52100 Chromium Steel
Ball Weight (each): 9.45 Pounds / 4.286 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.