29/32" Inch Ball Bearing with 3/8" diameter integrated 3/8" Inch (9.53mm) Pin Diameter 3/8" x 29/32" x 1 1/4" Inch 29/32" inch (23.02mm) Ball Bearing with 3/8" inch (9.53mm) diameter integrated 1 1/4" inch (31.75mm) Long Axle, Pin Diameter is 3/8" inch, Bearing Outer diameter is 29/32" Inch (23.02mm), and Width of the assembly is 1 1/4" Inch (31.75mm Long), Bearing is made of Chrome Steel.