The SKF 6308-2RS is a deep groove ball bearing with double-sided rubber seals (2RS), featuring a 40mm inner diameter, 90mm outer diameter, and 23mm 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., marine machinery, wastewater treatment, agricultural irrigation). It handles radial and bidirectional axial loads, offers IP65 protection, low friction, and corrosion resistance.