Reynolds Carbon Campagnolo PRE 2007 Front HUB Bicycle Ceramic Bearing Outer Diameter - 5 5/8 inch (5.625") the 6203NR inner diameter is

the 6203NR inner diameter is 17mm

Equal Fafnir Bearing Division 7206PW

and other mechanical assemblies where corrosion resistance and consistent roundness are a must

dual rubber seals

Reynolds Carbon Campagnolo PRE 2007 Front HUB Bicycle Ceramic Bearing Outer Diameter - 5 5/8 inch (5.625") the 6203NR inner diameter isHybrid Ceramic Deep Groove ball Bearings (steel rings with ceramic balls) Fits Reynolds Carbon Campagnolo PRE 2007 Front HUB Bicycle Closures: Rubber Sealed Closure Side: Double Sided Seals Lubrication: Low Friction Grease Material: Corrosion Resistant Chrome Steel Balls: Low Friction Solid Ultra Light Ceramic Balls Brand: VXB Quantity: Set of two Bearings Location : Front Hub