Min. Order Reference FOB Price
100 Pieces US$1.00 / Piece
Product Description
SUS420 RING Nylon cage Si3N4 ball P5 quality.High precision for skateboard roller.Long time life.Lubrecation free. Item NO. ID OD Width Weight Item No. ID OD Width Weight Open Closed Open Closed SS603 3 9 3 3 0.0140 SS634 4 16 5 5 0.0054 SS604 4 12 4 4 ...