140BTB12 Sprocket (Taper Bushed) 12B Metric Chain Master Links This 105V1250J Sheave uses a

This 105V1250J Sheave uses a J bushing

This 10B12 sprocket is a durable

140R30H Sprocket Dimensions

120B25 Sprocket Dimensions

140BTB12 Sprocket (Taper Bushed) 12B Metric Chain Master Links This 105V1250J Sheave uses aThis 140BTB12 sprocket is a durable, high quality, and precision sprocket with 12 hardened teeth that is manufactured to accept a 2517 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 #140 roller chain and sprocket which prevents premature wear or breakage. This