18 MM WIDTH 55 MM ID 90 MM OD DOUBLE SHIELDED RADIAL/DEEP GROOVE BALL BEARING 18 MM WIDTH, 55 MM ID, 90 MM OD, DOUBLE SHIELDED, RADIAL/DEEP GROOVE BALL BEARING, STRAIGHT BORE, WITHOUT SNAP RING; Part Number: 6011-2Z; Category: Machine Parts; Subcategory: Bearing