3/8" inch (9.525mm) Ball Bearing with 1/4" inch (6.35mm) diameter integrated 7/8" inch (22.23mm) Long Axle, Pin Diameter is 1/4" inch, Bearing Outer diameter is 3/8" Inch (9.525mm), and Width of the assembly is 7/8" Inch (22.23mm Long), Bearing is made of Chrome Steel.

• Item: 1/4" x 3/8" x 7/8" Ball Bearing
• Type: Axle Integrated Ball Bearing
• Assembly Dimensions: 1/4" x 3/8" x 7/8" Inches
• Assembly Dimensions: 0.250" x 0.375" x 0.875" Inches
• Size: 6.35mm x 9.525mm x 22.23mm
• Pin diameter: 1/4" (6.35mm axle diameter)
• Bearing Outer Diameter: 3/8" Inch (0.375"=9.525mm)
• Width of the assembly: 7/8" Inch (22.23mm Long)