Inner Diameter: Item: 1/2" x 1 1/8" x 1 1/4" Ball Bearing
Outer Diameter: Type: Flanged Axle Integrated Ball Bearing
Width Diameter: Assembly Dimensions: 1/2" x 1 1/8" x 1 1/4" Inches
Model: Assembly Dimensions: 0.5" x 1.125" x 1.25" Inches
Standard: Size: 12.7mm x 28.58mm x 31.75mm
Product Code: 1-1-8-1-2-INTEGRATED-1-1-4-A-5