Strap in, because these ABEC 7 bearings by Mosaic Skate Bearings are pre-lubricated for a smooth, fast ride. We offer the standard size (608 with an 8mm core, 22mm outer diameter, and 7mm width) and each set of Mosaic Skate Bearings Super 1 Madars Apse ABEC 7 Black Blue Skateboard Bearings contains eight (8) bearings, which is enough for four (4) wheels. Includes: One (1) set of eight (8) Mosaic Skate Bearings Super 1 Madars Apse ABEC 7 Black Blue Skateboard Bearings from Mosaic Skate Bearings.