Ball Thrust Bearing, Ball Material Steel, Bearing Industry Number F9-20M, Bore Diameter 9 mm, Cage Material Steel, Closure Open, Housing Washer Bore 9.2 mm, Lubricant Material Grease, Oil, Maximum Speed 12,000 RPM Oil, 8,000 RPM Grease, Outside Diameter 20 mm, Overall Width 7 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