Size: 6902-2RS (Inner Dia.=15mm, Outer Dia.=28mm, Thickness=7mm) Sealed on BOTH SIDES of the bearing to keep lubricant in. Suitable for complex environment Made from Carbon Steel, durability and resistance to under heavy loads Static Load Rating (Cor): 2.3 kN; Model: 6902RS; Sealed Type: Double Sealed Pre-Lubricated, Easy to maintain