WHEEL 50X 20MM 600KG, BASIC NAME WHEEL RUNNING SURFACE MATERIAL POLYURETHANE HARDNESS 94 SHORE A POLYURETHANE CORE CORE LINING UNCOATED RED COLOR WHEEL/CENTER CONTACT SURFACE SMOOTH BALL BEARING BEARING AXLE DIAMETER 10 MM WHEEL DIAMETER 50 MM WHEEL WIDTH 20 MM CAPACITY 600 KG ADDITIONAL REQUIREMENTS SEE NOTE TRADE REFERENCE ACLA-WERKE-PU L NOTE: – INTERNAL BEARING 6200-ZZ; – ABRASION RESISTANT.