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- 12mm
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Size Name:20000 Bearings
Standard Diameter: .4724 Inches
Metric Diameter: 12mm
Grade: 25
Material: AISI 52100 Chromium Steel
Ball Weight (each): .2502 Ounces / 7.092 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.