3/4" inch (19.05mm) Ball Bearing with 1/2" inch (12.7mm) diameter integrated 1 1/4" inch (31.75mm) Long Axle, Pin Diameter is 1/2" inch, Bearing Outer diameter is 3/4" Inch (19.05mm), and Width of the assembly is 1 1/4" Inch (31.75mm Long), Bearing is made of Chrome Steel.

• Item: 1/2" x 3/4" x 1 1/4" Ball Bearing
• Type: Axle Integrated Ball Bearing
• Assembly Dimensions: 1/2" x 3/4" x 1 1/4" Inches
• Assembly Dimensions: 0.5" x 0.75" x 1 1/4" Inches
• Size: 12.7mm x 19.05mm x 31.75mm
• Pin diameter: 1/2" (12.7mm axle diameter)
• Bearing Outer Diameter: 3/4" Inch (0.75"=19.05mm)
• Width of the assembly: 1 1/4" Inch (31.75mm Long)