skateboard bearing 608 1.high quality 2.good fuction 3. ... : 608zzType: 2RS ZZ ,Z ,RS,OPENHigh quality bearing, 1.high precision, 2.low noise, 3.long-life ... are the professional technologyintensive industry,which is mainly product miniature deep groove ball bearings for carbon ... products with advanced equipment,mature techniques and with high precision, low noise, longlife and excellent reliability. ...