2 Pcs 10mm x 30mm x 9mm Deep Groove Ball Bearing Double Sealed

Deep Groove Ball Bearing Description:Size: 6200ZZ (Inner Dia.=10mm, Outer Dia.=30mm, Thickness=9mm)Shields on BOTH SIDES of the bearing to keep dust out. Suitable for high speed operationMade from Chrome Steel, durability and resistance to under heavy loadsABEC Tolerance 1 (P0), Z1 Noise Level for most general usePre-Lubricated, Easy to maintain.