VA045CP0 Ball Bearing 4 1/2" x 5" x 1/4" inch Chrome Steel : Brass Cage Thin Section Open Ball Bearing with a 1/4" cross section width, the dimensions are 4 1/2" x 5" x 1/4" inch , inner diameter is 4 1/2" inch, outer diameter is 5" inch and width is 1/4" inch, VA045CP0 bearing has Brass balls retainer, VA045CP0 bearing is oil preserved.