Set of 4 608ZZ 8x22x7mm Chrome Steel Ball Bearings with Metal Seals Double Deep Groove Ball Bearings

Size Bearing 608ZZ Inner Diameter 8mm Outer Diameter 22mm Thickness 7mm PRECISION BALL BEARINGS Made of chrome steel hardened to offer strength corrosion resistance and durability in continuous use Double sealing metal covers on both sides protect against dust and moisture ensure lubrication and extend the life of the bearings UNIVERSAL APPLICATIONS Ideal for 3D printers electric motors skateboards inline skates scooters and any application requiring a heavy duty ball bearing High hardness After heat treatment it can withstand speeds and repeated charging cycles it is durable and not easily deformed under heavy loads