L190 Coupling Half - 1-11/16" | L190 Hub X 1-11/16" 5B Split Taper Bushed Pulleys This 50BS20 sprocket featured a

This 50BS20 sprocket featured a 1" finished bore with a key-way and two set screws

Dimension (S): 22

which insures proper contact between the #60 roller chain and sprocket which prevents premature wear or breakage and this means that it will directly interchange with most other manufactures sprockets

For additional information or to get pricing and availability on a 4B38SD sheave

This 35BS30 sprocket features a 1-1/4" finished bore including a key-way and two setscrews

L190 Coupling Half - 1-11/16" | L190 Hub X 1-11/16" 5B Split Taper Bushed Pulleys This 50BS20 sprocket featured aThe L190 coupling half with a 1 11 16" bore with a key way is also commonly called an L190 coupling hub. The compact yet robust design of this 1 11 16" bore L190 coupling half makes it highly versatile across a broad spectrum of applications, including; pumps, blowers, compressors, mixers, motion control (servo), and more!. Depending on the insert type used, a complete L190 coupling assembly is capable of optimal operation with an angular misalignment