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This 05B-2 roller chain features heat-treated components
Dimension (C): 5-1/4"
Outside Diameter: 20
100Q32 Sprocket Dimensions
Bore: 13/16"
120BS17H Sprocket With 1-1/4" Finished Bore #120 Q Type Sprockets This 05B-2 roller chain featuresThis 120BS17H sprocket features a 1 1 4" finished bore with a key way and two set screws. It is a durable, high quality, and precision sprocket with 17 hardened teeth. Sprockets that have hardened teeth last longer and are much more durable than those that don't. Something else that is notable about this 120BS17H sprocket is that it fully meets all ANSI Standards, which insures proper contact between the #120 roller chain and sprocket thus preventing
