Tamiya Tt-01e 4WD 1/10 Electric ON RD Bearing set Inner Diameter - 6 inch (6") this is a popular size

this is a popular size that could be used in many Bicycle Balls are made from high-strength Ceramic Sic

6912RS Sealed Ball Bearing

PHS10 Bearings

bearing has Ceramic Balls and is Metal Shielded from both sides

2 PTFE Seals

Tamiya Tt-01e 4WD 1/10 Electric ON RD Bearing set Inner Diameter - 6 inch (6") this is a popular sizeBall Bearings for Tamiya Tt 01e 4WD 1 10 Electric ON RD Closures: Rubber Sealed Closure Side: Double Sided Seals Lubrication: Low Friction Grease Material: Corrosion Resistant Chrome Steel Balls: High Chromium Steel 52100 SAE Steel Balls Cage: Low Friction Steel Precision: ABEC 1 Quality Brand: VXB Quantity: Set of 16 Bearings