... from 60mm to 26 inch,metal sealed and Elastomer sealed,have new and old in stock.export to many countries,have a good ... .Main Type Available Size: 6",6 1/2",7 1/2",8 1/2",9 1/2",9 ... performance.Main Type AvailableSize: 5 7/8",6",6 1/2",7 1/2",7 7/8",8 1/2",9 1 ... ,7-- 4,Non-Sealed Roller Bearing BitCutting StructureThe durability of premium tungsten carbide inserts is improved with new formulas and new ...