BK57 Pulley 7/8" Bore Metric K1 Attachments and precision sprocket with 23

and precision sprocket with 23 hardened teeth that is manufactured to accept a E bushing

Dimension (Y): 1-5/16"

This 100B16 sprocket is a durable

This BK25 Pulley 1/2" bore is directly interchangeable with other manufacturers

This R8-ZZ ball bearing is a high-precision premium quality shielded deep groove 1/2"x1-1/8"x0

BK57 Pulley 7/8" Bore Metric K1 Attachments and precision sprocket with 23This BK57 Pulley 7 8" bore is directly interchangeable with other manufacturers, is 5. 45" 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 BK57 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