8Pcs 608 ABEC 9 Bearing Carbon Steel Sealed Bearings 8x22x7mm for Roller Skates Dance Boards

Carbon Steel Material: Made of high quality carbon steel, high hardness, heavy bearing capacity, and corrosion resistance. ABEC 9 Bearing: Using ABEC 9 standard specification bearings, high accuracy, low noise, uniform speed during high efficiency . Good Performance: 608 ABEC 9 bearing has stable performance, good coordination with machinery, and improved work efficiency. Item Type: 608    Bearing Material: Carbon Steel Inner Diameter: Approx. 8mm Celsius 0.31in Outer Diameter: Approx. 22mm Celsius 0.9in Thickness: Approx. 7mm Celsius 0.28in Weight: Approx. 92g Celsius 3.2oz