... quality. 4. Long cycle life. 5. Low price. Specifications1. Skateboard bearing.2. High accuracy.3. Prompt delivery.4. ISO9001:2000 ... Low noise & low vibration.Applications:Automobile,Skateboard, Motorbike,Electric tools ,Small appliances ,Textile machine,Printing machine, Fitness sports equipment,Medical device, ... materials according to customers' requirment. 608ZB Stamping Bearing for skateboard