X-Series Backstop Kit XBK12, 6-inch Bore d80b13u "name": "Is 9/B56 interchangeable with

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X-Series Backstop Kit XBK12, 6-inch Bore d80b13u "name": "Is 9/B56 interchangeable withThe Vortex XBK12 6 is a x series backstop kit xbk12, 6 inch bore. An XBK Series backstop kit installs on an X Series worm gear reducer to prevent reverse rotation of the output shaft. Used on inclined conveyors, bucket elevators, and applications requiring mechanical anti reverse protection. The bore size matches your reducer's bushing kit output bore. This part fits X Series reducers, specifically XBK12 series, 6" bore. Stocked at Texas Belting and