50A72 Sprocket #40 SK Type Sprockets 40B44 sprockets with a stock

40B44 sprockets with a stock bore comes with the standard 3/4" inside diameter hole with no keyway or setscrews and can be easily machine bored to custom sizes

This 100BTB19 sprocket is a durable

This 43V2500SF Sheave uses an SF bushing

Part #: UCFX 10-32

Dimension (d): 130mm

50A72 Sprocket #40 SK Type Sprockets 40B44 sprockets with a stockThis 50A72 sprocket is a durable, high quality, and precision A Plate sprocket that is manufactured out of high quality steel. Something else that is notable about this sprocket is that it 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 evenly coated with black oxide, which adds resistance to to the environment and will prevent