X Four-Point Contact VB055XP0 Thin Section Ball Bearing 5 1/2" x 6 1/8 " x 5/16" inch ABEC-1 Quality X Four-Point Contact Thin Section Steel Open Ball Bearing VB055XP0 that has ABEC 1 quality, VB055XP0 bearing is a popular item that could be used in many applications, the dimensions are 5 1/2" x 6 1/8 " x 5/16", VB055XP0 bearing is Open, VB055XP0 bearing is Oil Preservative preserved.