Ball Thrust Bearing, Ball Material Steel, Bearing Industry Number EW1, Bore Diameter 1 in, Cage Material Bronze, Closure Open, Housing Washer Bore 1 in, Lubricant Material Grease, Oil, Maximum Speed 4,800 RPM Grease, 6,000 RPM Oil, Outside Diameter 1 5/8 in, Overall Width 0.375 in, Seal Material Not Applicable, Seal Type Not Applicable, System of Measurement Inch, Thrust Bearing Type Separable Ball Thrust Bearing, Washer Material Steel, Ball Material Grade AISI 52100