8 x 627 Si3N4 Ceramic Inline Quad Skate FAST Bearings 7x22x7mm for 7mm Axles

7x22x7mm for 7mm Axles. 8 x 627 Si3N4 Hybrid Ceramic Inline Quad Skate Bearings. FAST PREMIUM QUALITY Si3N4 HYBRID CERAMIC BEARINGS.

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