D50BTB21H Sprocket Taper Bushed 50B51 Sprockets Set screws and keyways aren't

Set screws and keyways aren't part of the design either

UCFT206-17 bearing is a 1-1/16" bore two-bolt normal-duty flange bearing that utilizes set screws to secure to a 1/2" shaft

Sprocket Size: 80BS48

Our superior UCFC206-18 bearing with a 1-1/8" bore is equipped with a premium C3 precision insert bearing housed within a high-strength solid-base cast-iron housing

D50BTB21H Sprocket Taper Bushed 50B51 Sprockets Set screws and keyways aren'tThis D50BTB21H sprocket is a durable, high quality, and precision double sprocket with hardened teeth that is manufactured to accept a 2012 bushing. Sprockets that have hardened teeth last longer and are much more durable than those that don't. Something else that is notable about this sprocket is that it fully meets all ANSI Standards, which insures proper contact between the #50 2 double roller chain and sprocket thus preventing premature wear or