X-Series Backstop Kit XBK4, 2 7/16-inch Bore browning-nbk40 "text": "The 3/B64 has a

"text": "The 3/B64 has a 21/32\" width

"name":"PIX 3/3VX485 Industrial V-Belt"

Is 4/C315 interchangeable with Gates 4/C315

"mpn":"TB037256016561"

X-Series Backstop Kit XBK4, 2 7/16-inch Bore browning-nbk40 "text": "The 3/B64 has aThe Vortex XBK4 2 7 16 is a x series backstop kit xbk4, 2 7 16 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 XBK4 series, 2 7 16" bore. Stocked at Texas