Roller Thrust Bearing Washer Bore Diameter 1 3/4 in Compatible Bearing 2840 For Thrust Bearing Type Needle Roller Lubrication Type Lubrication Required Maximum Temperature 250 Degrees F Minimum Temperature -5 Degrees F Outside Diameter 2 1/2 in Self Lubricating Bearing No System of Measurement Inch Washer Thickness 1/8 in Maximum PV Not Applicable Series TRD TWD Standards ABMA 21.2-1988 Washer Material Alloy Steel Washer Material Grade 100Cr6