oll-Line Bearings Type: Custom Roll-Line Axle Center Bore: 7mm Outside Diameter: 22mm Number of Balls: 7 balls single shield Special Features: The bearings are in treated steel, offering a good smoothness. Designed for pre-agonism, is open on one side to allow a good cleaning. ABEC Rating: ABEC 3 One (1) Set = 16 Bearings
