X Four-Point Contact VD055XP0 Thin Section Ball Bearing 5 1/2" x 6 1/2 " x 1/2" inch ABEC-1 Quality X Four-Point Contact Thin Section Steel Open Ball Bearing VD055XP0 that has ABEC 1 quality, VD055XP0 bearing is a popular item that could be used in many applications, the dimensions are 5 1/2" x 6 1/2 " x 1/2", VD055XP0 bearing is Open, VD055XP0 bearing is Oil Preservative preserved.