The skateboard bearing is an important component of the skateboard wheel. Without the skateboard bearing, the skateboard cannot slide normally. Skateboard bearings are 608 bearings, with inner diameter 8mm, outer diameter 22mm and height 7mm, bearings are usually made of Chrome steel, stainless steel, ceramic material ,and ther are different grade ABEC 1 ,ABEC 3,ABEC 5 ,ABEC 7 ,ABEC 9 skate bearings.

Skateboard bearings are very important for skateboarding wheel , so it is also necessary to properly maintain the skateboard bearings. If the bearings are dirty, the skateboard bearing should be cleaned at the right time. If  your skateboard wheel  is used frequently, it is best to clean it every two weeks. After the wheels are wet, clean them in time to avoid rusting the skateboard bearings. Normally, the skateboard bearings should always be lubricated to prevent the bearings from rusting. Or you can use stainless steel skateboard bearings or ceramic skate bearing.