Size: 624ZZ (Inner Dia.=4mm, Outer Dia.=13mm, Thickness=5mm)Shields on BOTH SIDES of the bearing to keep dust out. Suitable for high speed operationMade from Carbon Steel, durability and resistance to under heavy loadsABEC Tolerance 1 (P0) for most general useSame As 624-2Z / 80024. Pre-Lubricated, Easy to maintain.
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