1C180SF Sheave single-groove 18.40" OD 2.9375" Finished Bore Dimension (L): 1-7/8"

Dimension (L): 1-7/8"

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

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

1C180SF Sheave single-groove 18.40" OD 2.9375" Finished Bore Dimension (L): 1-7/8"This 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