1C180SF Sheave single-groove 18.40" OD 2.9375" Finished Bore 140R30H sprockets are bored to

140R30H sprockets are bored to accept a R2 type taper bushing

This 1TB54 Pulley uses a P1-Series Bushing

120A20 sprockets with a stock bore comes with a 1-1/4" inside diameter plain hole and can be easily machine bored to custom sizes

but custom lengths are available upon request

and precision sprocket with 12 hardened teeth that is manufactured to accept a 1615 bushing

1C180SF Sheave single-groove 18.40" OD 2.9375" Finished Bore 140R30H sprockets are bored toThis 1C180SF Sheave uses a SF QD bushing, is directly interchangeable with other manufacturers, is 18. 40" in diameter, and is manufactured in accordance with ARPM Standard for safe operation. With C series QD sheaves you can use C, CX cogged, CC double angled, and C banded v belts. What separates this 1C180SF sheave from the others is that it is made using a high strength cast iron, is phosphate coated, painted, and balanced at the factory. Using the