The SKF 6315 - 2RS is a deep groove ball bearing with double - sided rubber seals. It has a 75mm inner diameter, 160mm outer diameter, and 37mm thickness. Made of GCr15 high - carbon chromium bearing steel with a pressed steel cage, it offers IP65 protection. Ideal for harsh environments with moisture, dust, and liquid splashes, such as in the chemical, food processing, and sewage treatment industries. It can withstand both radial and bidirectional axial loads, ensuring low - friction operation, excellent sealing, and a long service life.