Roller Thrust Bearing Washer, Bore Diameter 3 in, Compatible Bearing 4860, For Thrust Bearing Type Needle Roller, Lubrication Type Lubrication Required, Maximum Temperature 250 Degrees F, Minimum Temperature -5 Degrees F, Outside Diameter 3 3/4 in, Self Lubricating Bearing No, System of Measurement Inch, Washer Thickness 1/8 in, Maximum PV Not Applicable, Series TRD, TWD, Washer Material Alloy Steel, Washer Material Grade 52100