... :rubber,ceramic lagging,diamond, 2.Type:drive,bend,head,tail,snub,take up,motorized Advantages 1) We ... one for free and also pay freight fee.conveyor head pulley ProductsHead pulley,tail pulley, bend pulley, drive ... and the hub are connected by the ring lock.Heavy duty:Bearing Aperture:: 200~220mm.The axle ... and the hub are connected by the ring lock. The shell body is aluminothermic welding fabric. ...