Ball Thrust Bearing Ball Material Steel Bearing Industry Number F5-12M Bore Diameter 5 mm Cage Material Steel Closure Open Housing Washer Bore 5.2 mm Lubricant Material Grease Oil Maximum Speed 14 000 RPM Grease 19 000 RPM Oil Outside Diameter 12 mm Overall Width 4 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