Meco 10pcs R188 Ceramic Ball Bearing 1/4 X 1/2 X 3/16 Inch Bearing Fidget Spinner Bearing

Description: 10pcs R188 Ceramic Ball Bearing 1/4 x 1/2 x 3/16 Inch Bearing Fidget Spinner Bearing Specification: Material: Ceramic Inner diameter: 1/4" (6.35mm) Outer diameter: 1/2" (12.7mm) Width: 3/16" (4.76mm) Quantity: 10pcs Features: 1.Include 10 ceramic ball. 2.Ldling for more than 25 seconds. 3.High speed persistent idling time. 4.Made of hybrid ceramic material, durable and practical. 5.Ideal accessories for playing hand spinner without noise. 6.Can help hand spinner with a high speed to spin. 7.Diamond polished Silicon Nitride (Si3N4) Balls, HSR cage technology and open design on both sides. 8. No lube and no seals for fastest spin times. This item is very popular for high speed fidget spinners or hand spinners but has many uses wherever a high performance R188 bearing is needed. Package Included: 10pcs x Ceramic Ball Bearing Notice: 1.Please allow a bit error due to manual measurement. please make sure you do not mind before you bid. 2.The color may have different as the difference display, pls understand. More Details: