Descripción
- R188 Black Ceramic Balls Bearing for your spinner
- The number of balls: 10 Si3N4 Ceramic Balls
- Smooth, quiet and long spin time
- 1/4"x1/2"x3/16'' = 6.35mm x 12.7mm X 4.762mm
- Rings: Bearing Steel Balls: Si3N4-Silicon Nitride Ceramic
R188 Ceramic Ball Bearing is good for DIY your own fidget spinner toys. The 10 Silicon Nitride black ceramic balls allow for a smoother and more stable spinning experience. With this bearing, most fidget spinner can spin 5 minutes at a time with just one whirl. Size: R188 (ID=1/4" OD=1/2" H=3/16") Absolutely this bearing will greatly enhance your spinner.
