BK75 Pulley 3/4" Bore filter_60B17-SB This 80BS11 sprocket features a

This 80BS11 sprocket features a 1-7/16" finished bore with a key-way and two set screws

Bore: 1-11/16"

Sheave Size: 25V750SK

80Q70 sprockets are made to accept a Q1 size taper bushing which we also stock with a wide range of bore sizes

BK75 Pulley 3/4" Bore filter_60B17-SB This 80BS11 sprocket features aThis BK75 Pulley 3 4" bore is directly interchangeable with other manufacturers, is 7. 25" 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 BK75 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