6003ZZ (6003Z) metal shielded bearings used on many scooters, ATVs, mini bikes, dirt bikes, and go karts This is a set of two bearingsDescription 6003ZZ (6003Z) metal shielded bearings used on many scooters, ATVs, mini bikes, dirt bikes, and go karts. This is a set of two bearings.Please check the specifications tab for detailed dimensions on these 6003ZZ bearings.Chrome metal shields on both sides of the bearing shield the inner ball bearings from the elements.These 6003ZZ (6003Z) scooter bearings are made of chrome steel and are pre-lubricated. Ready to install.Always replace scooter and ATV wheel bearings in sets of two.Known markings: 6003ZZ 6003Z 6003-ZZ 6003-2Z Specifications Diameter (Outer): 35 mmDiameter (Inner): 17 mmWidth: 10 mm