Type: Single row deep groove ball bearings Fits 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 Pack#177372 Quantity: Set of 16 Bearings Pack#177372