00" Sheave triple-groove 8
the benefit of this is longer performance and bearing protection
and precision sprocket with 27 hardened teeth that is manufactured to accept a Q1 bushing
This 41BS112 sprocket features a 1-7/16" finished bore including a key-way and two setscrews
BK72 Pulley 1-3/8" Bore BK120 Pulley 00" Sheave triple-groove 8This BK72 Pulley 1 3 8" bore is directly interchangeable with other manufacturers, is 6. 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 BK72 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