VC025CP0 Thin Section Ball Bearing 2 1/2" x 3 1/4" x 3/8" inch VC025CP0 Thin Section Steel Open Ball Bearing, VC025CP0 is ABEC 1 quality, VC025CP0 bearing is Oil Preservative preserved, inner diameter is 2 1/2" inch, outer diameter is 3 1/4" inch and width is 3/8" inch.