10-Pack 6x10mm - Double Shielded 6x10x3 Miniature Bearing6 x 10 x 3 Shielded Ball Bearings 10 Ball Bearings 6 x 10 x 3 Shielded Ball Bearings, this is a go to bearing size that fits lots of RC cars and trucks, Made from high strength chrome steel for durability and performance, each Comes with double metal shields (ZZ) to keep out dust and dirt, additionally, these bearings come pre lubricated with grease for smooth operation. 6 x 10 x 3 Ball Bearings Deep Groove Ball Bearings Shield Double Metal Shields