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R188 Ceramic Ball Bearing 1/4 x 1/2 x 3/16 Inch Bearing
R188 CERAMIC BALL BEARING engineered with proprietary specific internal race tolerances for high speed reliability. Sealed on both sides as shown. The width of this bearing is 3/16". Overall dimensions of this bearing is 1/4" inner diameter, 1/2" outer diameter and 3/16" width. This is engineered as a very smooth and fast fidget spinner bearing but has many applications. Open design with stainless races and cage, 10 Ceramic Nitride Pro Series balls, with no seals for longest and fastest spin.
R188 Stainless Fidget Spinner Bearings 1/4 x 1/2 x 3/16 2 pieces
Super fast R188 size ball bearings for fidget spinners
Highly polished stainless construction and proprietary inner tolerances allow for long spin times. No lubrication added, which slows down fidget spinners.