YIXISI 10 PCS 608 ZZ Ball Bearings, 608zz Skateboard Bearings, ABEC-7 Metal Double Shielded Miniature Deep Groove Ball Bearings (8mm × 22mm × 7mm) for 3D Printer, Silver

• Size: 10pcs 608 ZZ Ball Bearings, Inner Diameter = 8mm, Outer Diameter = 22mm, Thickness = 7mm.
• Excellent Material: Carbon steel, with excellent wear resistance, strong bearing capacity and low noise. The limit of grease lubrication is 34,000 U/min.
• Advantages: Single row bearing to accommodate radial and axial loads.
• Double Shielded Design: Skateboard ball bearing is shielded on both sides to prevent water, dust and environment debris from entering, avoid reducing the speed and life of wheels to ensure a smooth workflow.
• Wide Application: Ideal for 3D printer, model toy, sports equipment. Also can be applied in inline skate, roller skate, skateboard, longboard, scooter, roller blades and other skating applications.

Specification: Product name: 608 ZZ Ball Bearings. Material: Carbon steel. Colour: Silver. Size: As shown in the picture. Package includes: 10pcs. Warm notes: 1. New bearings might have a slow speed at first, but it will be quicker after several usages. 2. If you want to keep your bearings a lengthen lifespan, please keep bearings clean, dry and maintain it with slushing oil and lubricating oil regularly. But please note that the oil and lubricant will reduce the speed. You can use degreaser to remove the grease according to your needs. 3. Please keep bearing away from children under 8 years old to avoid choking. 4. The product is not including slushing oil and lubricants. 5. There might be slight color differences due to different displays.