could be used in many applications. Closed with metal shields to protect the bearing from dust or any possible contamination. Commonly used for Electric Motors, Wheel Bearings, Agricultural, Conveying and much more. Product Name : Deep Groove Ball Bearing; Model No. : 6900Z Inner Diameter : 10mm / 0.4 inch ; Outer Diameter : 22mm / 0.87 inch Height : 6mm / 0.24 inch ; Color : Silver Tone Material : Metal;Net Weight : 94g Package Content : 10 x Deep Groove Ball Bearings Note:Light and different displays may cause the color of the item in the picture a little different from the real thing.The measurement allowed error is +/-1-3 cm.