VB035CP0 Thin Section Ball Bearing 3 1/2" x 4 1/8" x 5/16" inch VB035CP0 Thin Section Steel Open Ball Bearing, VB035CP0 is ABEC 1 quality, VB035CP0 bearing is Oil Preservative preserved, inner diameter is 3 1/2" inch, outer diameter is 4 1/8" inch and width is 5/16" inch.