608ZZ Ball Bearings, the most popular bearing available with shields, seals or open variations. These are most commonly used on Roller skates, Inline skates, Scooters, Skateboards, Gym equipment, Pushchairs, Strollers & many more Industrial & Packaging applications. Load ratings and specifications are good characteristics for such a small component. Common references for these parts are: - 608, 608 ZZ, 608-2RS, 608-ZZ or 608-2Z.
They are also available in different grades known as “ABEC#”. Please do not be forced into paying more for higher grades of “ABEC” when using on Skateboards or scooters as you won’t notice or feel the difference – unless you plan on travelling at over 500 mph!!