4" Inch Chrome Steel Ball Bearings G100

• Standard Diameter: 4" / 4.00 Inches
• Metric Diameter: 101.6mm
• Grade: 100
• 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.