1-1/8 Inch Ball Bearing - 1/2 diameter integrated 1" inch Stem

1 1/8" Inch Ball Bearing with 1/2" diameter integrated1/2" Inch (12.7mm) Pin Diameter1/2" x 1 1/8" x 1" Inch 1 1/8" inch (28.58mm) Ball Bearing with 1/2" inch (12.7mm) diameter integrated 1" inch (25.4mm) Long Axle, Pin Diameter is 1/2" inch, Bearing Outer diameter is 1 1/8" Inch (28.58mm), and Width of the assembly is 1" Inch (25.4mm Long), made from durable 52100 alloy steel, commonly known as chrome steel. 1/2" x 1 1/8" x 1" Ball Bearing Axle Integrated Ball Bearing Assembly Dimensions: 1/2" x 1 1/8" x 1" Inches Assembly Dimensions: 0.5" x 1.125" x 1" Inches Size: 12.7mm x 28.58mm x 25.4mm Pin diameter: 1/2" (12.7mm axle diameter) Bearing Outer Diameter: 1 1/8" Inch (1.125"=28.58mm) Width of the assembly: 1" Inch (25.4mm Long)