US3813047A - Spider bearing assembly for gyratory crushers ,
A spider bearing assembly for a gyratory crusher is disclosed in which a flanged bushing has a bearing sleeve projecting downwardly between the top of a gyrating shaft and a spider hub, and the sleeve has a lower edge below a fulcrum point within the hub about which the shaft gyrat A lubricant seal is arranged between the shaft and the hub, which cooperates with the sleeve edge to define an ....