BK40 Pulley 1-1/8" Bore Metric Roller Chain Sprockets This 160M40 sprocket is a

This 160M40 sprocket is a durable

50BS41 3/4" Finished Bore Sprocket Dimensions

This 100A54 sprocket is a durable

Shaft Diameter (d): 2-3/8"

BK40 Pulley 1-1/8" Bore Metric Roller Chain Sprockets This 160M40 sprocket is aThis BK40 Pulley 1 1 8" bore is directly interchangeable with other manufacturers, is 3. 95" in diameter, and is manufactured in accordance with ARPM Standard IP20 for safe operation. It works with belt sizes A, 4L, B, 5L, AX, BX, AA, and BB. What separates this BK40 pulley from the others is that it is made using a high grade 35 cast iron, is phosphate coated, painted, and balanced at the factory. Using the grade 35 cast iron offers a higher tensile