R188 Open Deep Groove Ball Bearing, 1/4"mmx1/2"mmx3/16"mm Fidget Spinner Bearing with Nylon Caged (10 PCS) hidden PROFESSIONAL SAFETY GUARD: Featured with

PROFESSIONAL SAFETY GUARD: Featured with over-voltage protection

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R188 Open Deep Groove Ball Bearing, 1/4"mmx1/2"mmx3/16"mm Fidget Spinner Bearing with Nylon Caged (10 PCS) hidden PROFESSIONAL SAFETY GUARD: Featured withR188 Open Deep Groove Ball Bearing, 1 4"mmx1 2"mmx3 16"mm Fidget Spinner Bearing with Nylon Caged (10 PCS) FUSHIBEARING R188 Deep Groove Ball Bearing SpecificationModel: R188Color : SilverType: Open TypeInner Race Outer Race Material: Chrome Steel (GCr15)Cage Material: NylonInner Diameter : 6. 35mm 1 4"Outer Diameter : 12. 7mm 1 2"Thickness: 4. 8mm 3 16"Dynamic Load Rating (Cr): 0. 207kNStatic Load Rating (Cor): 0. 08kNAccuracy Class: P0 (ABEC 1)Noise