washer,ductile cast iron,astm a536,grade no. 65-45-12; 5.46 in. min,5.52 in. max id; 7.3198 in. min,7.3228 in. max od; bearing,steel,aisi 8620; 5.00 in. min,5.06 in. max id; 6.8868 in. min,6.8898 in. max od; assembly o/a lg general characteristics item description