The SKF 6213 - 2RS is a deep - groove ball bearing with double - sided rubber seals. It has an inner diameter of 65mm, an outer diameter of 120mm, and a thickness of 23mm. Made of high - carbon chromium bearing steel (GCr15) with a pressed steel cage, it is suitable for harsh working conditions such as wet and dusty environments, like in food processing equipment, aquaculture machinery, and shipbuilding equipment. It can effectively bear radial and bidirectional axial loads, featuring excellent water - proof and dust - proof performance, good low - friction characteristics, and a long service life.