1 1/8" inch (28.58mm) Ball Bearing with 3/8" inch (9.53mm) diameter integrated 1" inch (25.4mm) Long Axle, Pin Diameter is 3/8" inch, Bearing Outer diameter is 1 1/8" Inch (28.58mm), and Width of the assembly is 1" Inch (25.4mm Long), Bearing is made of Chrome Steel.

• Item: 3/8" x 1 1/8" x 1" Ball Bearing
• Type: Axle Integrated Ball Bearing
• Assembly Dimensions: 3/8" x 1 1/8" x 1" Inches
• Assembly Dimensions: 0.375" x 1.125" x 1" Inches
• Size: 9.53mm x 28.58mm x 25.4mm
• Pin diameter: 3/8" (9.53mm axle diameter)
• Bearing Outer Diameter: 1 1/8" Inch (1.125"=28.58mm)
• Width of the assembly: 1" Inch (25.4mm Long)