16PCS/set 608ZZ Steel Bearings For Roller Skates Skateboard Wheels High Speed Bearings Skating Upgraded Accessories AMB302

Bearing name: black steel bearing
Bearing material: carbon steel, double-sided dustproof
Bearing bore diameter: 8MM
Bearing outer diameter: 22MM
Bearing thickness: 7MM
Bearing specification: 608ZZ
Scope of application: roller skates, skateboards, etc
Note: Due to shipping logistics restrictions, the delivery does not contain lubricating oil

Product Features:
1. High speed, durable.
Because the new bearings are unused, the speed and speed persistence time of each bearing begin to differ slightly, and it takes a period of running-in time to speed up to one and a half minutes
2. Double-sided dust cover to reduce sand and dust ingress.
The outer side adopts a sealed cover, the inner side adopts a nylon cage, the outside is sandproof and dustproof, and the inside is stable
3. Built-in 7 balls, stable and long-lasting speed.
Unlike most roller skates on the market, there are 7 small balls inside
4. Carbon steel material, strong and durable.
Suitable for a variety of products, such as roller skates, skateboards, etc