Description The 6200Z shielded wheel bearing for gas and electric scooters. The number 6200Z is etched on the side of each bearing. 10mm inside diameter, 30mm outside diameter, 9mm thickness. Note that most wheel assemblies require two of these bearings. Specifications Diameter (Outer): 30 mm Diameter (Inner): 10 mm Width: 9 mm Compatibility Bladez Moby XS Drive Medical Bobcat 3 Pulse Sonic Rad2Go Great White E36 Rad2Go Leopard Shark E5 Rad2Go Tiger Shark E10 Rad2Go ZZ Cruiser (ZZ Rider, Reflexx) Razor E100 & E125 Razor E100 Glow Razor E200 Razor eSpark Razor Launch Razor Power Core E100