Ball Thrust Bearing Ball Material Steel Bearing Industry Number F6-12M Bore Diameter 6 mm Cage Material Steel Closure Open Housing Washer Bore 6.2 mm Lubricant Material Grease Oil Maximum Speed 14 000 RPM Grease 18 000 RPM Oil Outside Diameter 12 mm Overall Width 4.5 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