5/8" inch (15.88mm) Ball Bearing with 3/16" inch (4.76mm) diameter integrated 1/2" inch (12.7mm) Long Axle, Pin Diameter is 3/16" inch, Bearing Outer diameter is 5/8" Inch (15.88mm), and Width of the assembly is 1/2" Inch (12.7mm Long), Bearing is made of Chrome Steel.

• Item: 3/16" x 5/8" x 1/2" Ball Bearing
• Type: Axle Integrated Ball Bearing
• Assembly Dimensions: 3/16" x 5/8" x 1/2" Inches
• Assembly Dimensions: 0.188" x 0.625" x 0.5" Inches
• Size: 4.76mm x 15.88mm x 12.7mm
• Pin diameter: 3/16" (4.76mm axle diameter)
• Bearing Outer Diameter: 5/8" Inch (0.625"=15.88mm)
• Width of the assembly: 1/2" Inch (12.7mm Long)