VC040CP0 Thin Section Ball Bearing 4" x 4 3/4" x 3/8" inch VC040CP0 Thin Section Steel Open Ball Bearing, VC040CP0 is ABEC 1 quality, VC040CP0 bearing is Oil Preservative preserved, inner diameter is 4" inch, outer diameter is 4 3/4" inch and width is 3/8" inch.