50BS33 Sprocket With 1-3/4" Finished Bore 50B12 Sprockets it is essential to note

it is essential to note that the inside diameter of our 12B hollow pin is 5

Maximum Bore: 1"

160B24H sprockets with a stock bore comes with the standard 1-1/2" inside diameter hole with no keyway or set screws and can be easily machine bored to custom sizes

What separates this 2B5V68 sheave from the others is that it is made using a high strength cast iron

50BS33 Sprocket With 1-3/4" Finished Bore 50B12 Sprockets it is essential to noteThis 50BS33 sprocket features a 1 3 4" finished bore including a key way and two setscrews. It is a durable, high quality, and precision sprocket that fully meets all ANSI Standards which insures proper contact between the #50 roller chain and sprocket thus preventing premature wear or breakage. This sprocket is also black oxide coated which increases resistance to the environment and will prevent early rust build up. We also offer stock bore