VD050CP0 Thin Section Ball Bearing 5" x 6" x 1/2" inch Steel Quality: ABEC 1 VD050CP0 Thin Section Steel Open Ball Bearing, VD050CP0 is ABEC 1 quality, VD050CP0 bearing is Oil Preservative preserved, inner diameter is 5" inch, outer diameter is 6" inch and width is 1/2" inch.