The SKF 6004-2Z is a deep groove ball bearing with double metal shields (2Z), featuring a 20mm inner diameter, 42mm outer diameter, and 12mm thickness. Made of high-carbon chromium steel (GCr15) with a pressed steel cage, its shielded design is optimized for dry, low-dust environments. It handles radial and bidirectional axial loads, offering low friction and high rotational speed.