VA040CP0 Ball Bearing Chrome Steel: Bronze Cage 4" x 4 1/2" x 1/4" inch VA040CP0 is Open Ball Bearing with a 1/4" cross section width, VA040CP0 bearing has bronze balls retainer, bearing is oil preserved, inner diameter is 4" inch, outer diameter is 4 1/2" inch and width is 1/4" inch.