Ball Thrust Bearing Ball Material Steel Bearing Industry Number F3-8M Bore Diameter 3 mm Cage Material Steel Closure Open Housing Washer Bore 3.2 mm Lubricant Material Grease Oil Maximum Speed 19 000 RPM Grease 24 000 RPM Oil Outside Diameter 8 mm Overall Width 3.5 mm Seal Material Not Applicable Seal Type Not Applicable System of Measurement Metric Thrust Bearing Type Separable Ball Thrust Bearing Washer Material Steel Ball Material Grade SUJ2 Cage Material Grade SUJ2