Roller Thrust Bearing Washer, Bore Diameter 1/2 in, Compatible Bearing 815, For Thrust Bearing Type Needle Roller, Lubrication Type Lubrication Required, Maximum Temperature 248 Degrees F, Minimum Temperature -22 Degrees F, Outside Diameter 15/16 in, Self Lubricating Bearing No, System of Measurement Inch, Washer Thickness 1/32 in, Maximum PV Not Applicable, Series TRA, TWA, Standards ANSI/ABMA 21.2, Washer Material Alloy Steel, Washer Material Grade 52100