4mm Chrome Steel Ball Bearings G25

• Standard Diameter: .1575 Inches
• Metric Diameter: 4mm
• Grade: 25
• Material: AISI 52100 Chromium Steel
• Ball Weight (each): .009242 Ounces / 0.262 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.