Item: 625RSStructure: Deep GrooveMaterial: Bearing SteelBore Dia (d): 5 mmOuter Dia (D): 16 mmWidth (B): five mmClosures: Rubber SealLubrication: GreaseMagnetic: littleHardness: 58HRCCorrosion Resistance: GeneralClearance: C0Grades: ABEC-7