Ball Thrust Bearing Ball Material Steel Bearing Industry Number D1 Bore Diameter 1/2 in Cage Material Steel Closure Open Housing Washer Bore 0.531 in Lubricant Material Oil Maximum Speed 7 000 RPM Outside Diameter 1 7/32 in Overall Width 0.563 in Seal Material Not Applicable Seal Type Not Applicable System of Measurement Inch Thrust Bearing Type Banded Ball Thrust Bearing Washer Material Steel Application Industrial Ball Material Grade 100Cr6 Cage Material Grade Sheet Steel