BearingItem: 608RS ShaftStructure: Deep GrooveMaterial: Bearing SteelBore Dia (d): 8 mmOuter Dia (D): 22 mmWidth (B): 7 mmClosures: Rubber SealLubrication: GreaseMagnetic: littleHardness: 58HRCCorrosion Resistance: Grades: ABEC-9==========Hign-concerned Chemical : Noneis_customized : YesMaterial : Bearing SteelModel Number : 608RS ShaftBearing Grade: : ABEC-9Bearing Material : : Bearing Steel GCr15Ball Material : : Bearing Steel GCr15Bearing Sizes : : 8x22x7 mmInner Diameter : : 8 mmOut Diameter : : 22 mmWidth : : 7 mmLubrication : : GreasedBearing Type : : Ball BearingBearing Characteristics : : Running Smooth & High Speed Bearing Hign-concerned Chemical : None is_customized : Yes Material : Bearing Steel Model Number : 608RS Shaft Bearing Grade: : ABEC-9 Brand Name HPUHROTSJK Manufacturer HPUHROTSJK Item Dimensions 0.39 x 0.39 x 0.1 inches