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R188 Kugellager Daumen Knopf für EDC Fidget Spinner Lager Kappe Bearing Cap | eBay
Information about ball bearings in Fidget spinners
Tri Fidget Spinner Hand Spinner EDC Toy With Si3N4 Ceramic Ball Bearing Color Black, 120 Seconds Guaranteed From Tonysilu, $3.21 | DHgate.Com
Fidget spinner service with brake cleaner Ball bearing maintenance DIY - YouTube