10-Pack 6901ZZ 12x24x6mm Double Shielded BearingBall Bearings 6901 ZZ 12 x 24 x 6 Lot of 10 Bearings 10 Ball Bearings ( 6901ZZ ), measures an inner diameter of 12, outer diameter is 24 and the width is 6, a standard bearing size commonly used in a variety of industrial and commercial applications, Made from high strength chrome steel for durability and performance and can rotate up to 23000 rpm, each Comes with double metal shields (ZZ) to keep out dust and dirt, additionally, these bearings come