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XciteRC 82604010 RC Car Ball Bearing Ceramic, 1/8 x 3/8 x 5/32 ": Amazon.de: Toys & Games
F686ZZ Flanged Ball Bearings,10Pcs Mini Double Shielded Flanged Ball Bearings for Electric Motor, 3D Printer, Quadcopter,Ship Model and More: Amazon.com: Industrial & Scientific
Jarolift Ball Bearings with Collar : Amazon.de: Automotive