GJP 1" Hanger Type Mounted Unit Bearing UCHA205-16, it has the biggest feature with one screw bolt hole and cylindrical shape, which is mainly for the conveyors application, so we call it screw conveyor hanger bearing also,and we could call it another kind of take-up bearing, the screw bolt hole could be fixed with a straight pipe thread and is available in both international and domestic thread configurations, Prior to mounting, clean both the shaft and the bearing bore. Coat the shaft with a small amount of oil. move the bearing unit on the shaft. Do not use big force like hammer on the ends of the inner race. If necessary to apply some force in mounting, use a soft metal bar or pipe against the inner race only. Tap the bearing unit into right place.