ITEM NAME:10 Pcs 6200Z 10 x 30 x 9mm Single Row Sealed Deep Groove Ball Bearings F6O4 10 Pcs 6200Z 10 x 30 x 9mm Single Row Sealed Deep Groove Ball Bearings F6O4 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. : 6200Z Inner Diameter : 10mm / 0.4"; Outer Diameter : 30mm / 1.2" Height : 9mm / 0.35"; Color : Silver Tone Material : Metal; Net Weight : 311g Package Content : 10 x Deep Groove Ball Bearings Note:Light shooting 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.