Meco R188 1/4 X 1/2 X 3/16 Inch Bearing Fidget Spinner Bearing

Description: R188 1/4 x 1/2 x 3/16 Inch Bearing Fidget Spinner Bearing Specification: Material: Bearing Steel Inner diameter: 1/4" (6.35mm) Outer diameter: 1/2" (12.7mm) Width: 3/16" (4.76mm) It took a generic aluminum tri spinner with 8-ball steel r188 bearings from 3-5 minutes. Quantity: 1pc Features: 1.Include 10 ball. 2.Ldling for more than 3-5 minutes. 3.High speed persistent idling time. 4.Made of bearing steel 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: 1pc x 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: