VD120CP0 Thin Section Ball Bearing 12" x 13" x 1/2" inch Steel Quality: ABEC 1 VD120CP0 Thin Section Steel Open Ball Bearing, VD120CP0 is ABEC 1 quality, VD120CP0 bearing is Oil Preservative preserved, inner diameter is 12" inch, outer diameter is 13" inch and width is 1/2" inch.