Ball Bearings for OS Engines SF Ring 61 Outer Diameter - 3 1/2 inch (3.5") This premium 8-pack of hybrid

This premium 8-pack of hybrid ceramic skateboard bearings features ultra-smooth Si3N4 (silicon nitride) ceramic balls and double rubber seals for speed and protection

🟢 Size: 8mm ID x 22mm OD x 7mm Wide

NJ216EG width is 26mm

the 6909 outer diameter is 68mm

Part# 510007

Ball Bearings for OS Engines SF Ring 61 Outer Diameter - 3 1/2 inch (3.5") This premium 8-pack of hybridBall Bearings Kit for OS Engines SF Ring 61 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 two Bearings