This 6C90F Sheave uses a F QD bushing
This 41BS42 sprocket features a 3/4" finished bore including a key-way and two setscrews
this #180 chain tensioner guides
Dimension (d0): 167mm
ANSI 40 hollow pin chain is a unique 1/2" pitch roller chain with a cylindrical open-bearing surface area where the pin would typically be
BK57 Pulley 15/16" Bore filter_H40BS23 This 6C90F Sheave uses aThis BK57 Pulley 15 16" 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