The SKF 6218-2RS1 is a deep groove ball bearing with double-sided rubber seals (2RS1), featuring a 90mm inner diameter, 160mm outer diameter, and 30mm thickness. Made of GCr15 steel with a pressed steel cage and NBR rubber seals, it is ideal for harsh environments with moisture, dust, and liquid splashes (e.g., food processing, marine, sewage treatment). It handles radial and bidirectional axial loads, offers IP65 protection, low friction, and long service life.