50BS48 Sprocket With 1-1/2" Finished Bore 3.75" Stock Bore Threads: 7/16"

Threads: 7/16"

SB204 bearing is a light-duty ball bearing insert made to C3 precision standards and utilizes set-screws to secure to a 20mm shaft

40BS30 5/8" Finished Bore Sprocket Dimensions:

Sprocket Size: 50A23

50BS48 Sprocket With 1-1/2" Finished Bore 3.75" Stock Bore Threads: 7/16"This 50BS48 sprocket features a 1 1 2" 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