10-Pack 6002ZZ 15x32x9 Shielded Chrome Bearing6002ZZ Shielded Ball Bearings 15mm x 32mm x 9mm Lot of 10 Bearings 6002ZZ Shielded Ball Bearings, Made from high strength chrome steel for durability and performance, Bearing inner diameter is 15mm, Bearing outer diameter is 32mm and Bearing width is 9mm, additionally, these bearings come pre lubricated with grease for smooth operation, each Comes with double metal shields (ZZ) to keep out dust and dirt. 6002ZZ Ball Bearings Deep Groove Ball Bearings