... driven gear ( conveyor part);Application: used for 879, 879B0, 879TAB, 880, 880TAB-K454, 880B0, 880B0F, 880B0 GB, 880GB, 880TAB(hollow), HFP879B0 ... let us know the size you are looking for JSC057 880 split- machining driven gear ( conveyor part)