... ,good service 4,scooter bearings Feedback As a professional skateboard bearings manufacturer, we have two major advantages compared to ... more about us through the following content.1,Skateboard Bearings SizeGenerally in the skateboard industry, 608zz (8x22x7mm) is the most ... / Seals There are 3 types of Seals for the skateboard longboard bearing, Metal Shield, Rubber Seals and Teflon Seals. Customers ...