Bearings 608 Black Ceramic 5 Ball Bearings for Roller Skates Speed Skating Longboard Scooter Skateboard Inline Skates (Color : 10pcs 608rs 5 Balls)

fuseSpecification: 608Size: 8*22*7mmBearing material: silicon nitride ceramic ball + special grade bearing steel inner and outer ringBearing accuracy: ABEC-11Number of ceramic beads: 5 silicon nitride ceramic ballsCage: white PTFE super support cageQuantity included: 1) 608skb019b----16pcs/box2) 608skb019a --- 10pcs/tube

• fuse
• Bearing steel inner and outer rings, multi-polished slideways, single-sided seal to reduce dust and sand ingress.
• Five silicon nitride ceramic balls are selected to reduce friction, increase speed, resist abrasion, high temperature and resistance to electrical insulation.
• The PTFE cage is more resistant to high temperatures and wear over long distances and at high speeds.
• Uses: Universal for most inline skates and speed skates.