10Pcs Stainless Steel Ball Bearing for Skateboard Inline Rollerblades, S6909Z 45x68x12mm, Double Shielded Bearings with High Speed Quiet Rotation for Longboards and Electric Skateb

Item Type: Ball BearingMaterial: Stainless steelModel: S6909ZSize(inner dia x outer dia x height): Approx. 45 x 68 x 12mm / 1.8 x 2.7 x 0.5inPackage List：10 x Ball Bearing

• High-Speed Quiet Rotation: These stainless steel ball bearings deliver smooth, quiet, and high-speed performance for your skateboard, longboard, or inline skates, ensuring a responsive ride without distracting noise even during aggressive turns or downhill cruising.
• Double Shielded Design: Each S6909Z bearing features double shielding that effectively blocks dust, , and debris from entering while retaining lubricant inside, significantly extending service life and maintaining consistent performance in varied outdoor conditions.
• Versatile Compatibility: Designed for a wide range of applications, these 45x68x12mm ball bearings work perfectly with skateboards, longboards, rollerblades, inline skates, and electric skateboards, making them an essential upgrade or replacement for riders of all skill levels.
• Premium Stainless Steel Construction: Made from high-grade stainless steel, these ball bearings offer excellent resistance, uniform hardness, and strong mechanical properties, allowing reliable operation in wet, humid, or high-temperature environments without rusting or degrading.
• Complete 10-Piece Set: The package includes 10 identical S6909Z stainless steel ball bearings (45 x 68 x 12 mm), providing enough replacements for two full skateboards or multiple rollerblade wheels, ensuring you’re always ready for maintenance or performance upgrades.