VD100CP0 Thin Section Ball Bearing 10" x 11" x 1/2" inch Steel Quality: ABEC 1 VD100CP0 Thin Section Steel Open Ball Bearing, VD100CP0 is ABEC 1 quality, VD100CP0 bearing is Oil Preservative preserved, inner diameter is 10" inch, outer diameter is 11" inch and width is 1/2" inch.