1C120SF Sheave single-groove 12.40" OD #120 B-Hub Sprockets This 10C180J Sheave uses a

This 10C180J Sheave uses a J QD bushing

Maximum Bore: 4-1/2"

Dimension (H): 18

100B20 Sprocket Dimensions

1C120SF Sheave single-groove 12.40" OD #120 B-Hub Sprockets This 10C180J Sheave uses aThis 1C120SF Sheave uses a SF QD bushing, is directly interchangeable with other manufacturers, is 12. 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 1C120SF 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