ball bearing
Bearings
Dimensions: 608zz=8x 22 x 7mm ( Inner diameter:8mm ,Outer diameter :22mm ,width:7mm )
Material of the Retainer: Nylon
Material of Seal: Gold tatinium coat Steel
Color of Seal: Shinning Gold
Numbers of Balls: 7 Balls
Seal Type: 608zz=Double sides seal
Impact Load: 170~220kg
Features: Excellent speed,for quad skates, inline skates wheels,skates longboard wheels,rollor skate board &scooters fidget spinnerdurable and smooth good speed both for speed skating and spinner