Inner Diameter: Item: 3/16" x 1/2" x 1/2" Ball Bearing
Outer Diameter: Type: Flanged Axle Integrated Ball Bearing
Width Diameter: Assembly Dimensions: 3/16" x 1/2" x 1/2" Inches
Model: Assembly Dimensions: 0.188" x 0.500" x 0.5" Inches
Standard: Size: 4.76mm x 12.70mm x 12.7mm
Product Code: 1-2-3-16-INTEGRATED-1-2-ALE