10-Pack 6x10mm Sealed 6x10x3 Miniature BearingBall Bearings 6x10x3 Sealed Lot of 10 Bearings High Quality 10 Ball Bearings , a standard bearing size with dimensions commonly used across many industries: 6mm x 10mm x 3mm. Bearings are can rotate up to 80,000 rpm, each bearing has 2 Sealed to protect the bearing from dust or any possible contamination, additionally, these bearings come pre lubricated with grease for smooth operation. Double Shielded Ball Bearings Size: 6mm x 10mm x 3mm Deep groove