skateboard bearing 608 1.high quality 2.good fuction 3.skateboard bearing for all over the world 4.carbon and chrome ... Model NO. : 608zzType: 2RS ZZ ,Z ,RS,OPENHigh quality bearing, 1.high precision, 2.low noise, 3.long-life 4.excellent ... which is mainly product miniature deep groove ball bearings for carbon steel, bearing steel , stainless steel,nonstandard bearing and injection molding roller ...