Item: 6803 RSStructure: Deep GrooveMaterial: Bearing SteelBore Dia (d): 17 mmOuter Dia (D): 26 mmWidth (B): 5 mmClosures: Rubber SealLubrication: GreaseMagnetic: littleHardness: 58HRCCorrosion Resistance: GeneralClearance: C0Grades: ABEC-7