Item: S689ZZStructure: Deep GrooveMaterial: Stainless SteelBore Dia (d): 9 mmOuter Dia (D): 17 mmWidth (B): five mmClosures: Metal SealLubrication: GreaseMagnetic: littleHardness: 58HRCCorrosion Resistance: GeneralClearance: C0Grades: ABEC-7