Roller Thrust Bearing Washer Bore Diameter 3/8 in Compatible Bearing 613 For Thrust Bearing Type Needle Roller Lubrication Type Lubrication Required Maximum Temperature 250 Degrees F Minimum Temperature -5 Degrees F Outside Diameter 13/16 in Self Lubricating Bearing No System of Measurement Inch Washer Thickness 1/16 in Maximum PV Not Applicable Series TRB TWB Standards ABMA 21.2-1988 Washer Material Alloy Steel Washer Material Grade 100Cr6