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50A25 sprockets with a stock bore comes with a 23/32" inside diameter plain hole and can be easily machine bored to custom sizes
Set screws and keyways aren't part of the design either
Dimension (B): 67
Sprocket Size: 80BS48
What separates this BK190 pulley from the others is that it is made using a high grade-35 cast iron
D50BTB21H Sprocket Taper Bushed 50B51 Sprockets 50A25 sprockets with a stockThis 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
