40BS21 High-Performance Sprocket 1-1/2" 7" Stock Bore Variable Pitch 1VP56 Pulley 1"

Variable Pitch 1VP56 Pulley 1" is designed and engineered in a way that allows for precise adjustments in diameter

UCFX15-47 flange bearings are designed for circumstances where the bearing is mounted to a surface perpendicular to the shaft axis and poses great stability and rigidity due to the four mounting positions

6016-ZZ ball bearings are found in a wide range of industrial and automation applications

40A15 sprockets with a stock bore comes with a 5/8" inside diameter plain hole and can be easily machine bored to custom sizes

While the phosphate coated and then painted finish adds corrosion resistance to the 35V670SK sheave

40BS21 High-Performance Sprocket 1-1/2" 7" Stock Bore Variable Pitch 1VP56 Pulley 1"This 40BS21 sprocket featured a 1 1 2" finished bore with a key way and two set screws. It is a durable, high quality, and precision sprocket with 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 sprocket is that it fully meets all ANSI Standards, which insures proper contact between the #40 roller chain and sprocket thus preventing premature wear