Strap in, because these bearings by Bronson Speed Co 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 Bronson Speed Co Mason Silva G3 Skateboard Bearings contains eight (8) bearings, which is enough for four (4) wheels. Includes: One (1) set of eight (8) Bronson Speed Co Mason Silva G3 Skateboard Bearings from Bronson Speed Co.