BK190H Pulley Single-Groove 18.75" OD 40B9 Sprockets This 3TB90 Pulley uses a

This 3TB90 Pulley uses a Q1 series bushing

Dimension (s): 3"

the SBPFL206-18 1-1/8" bearing has incredible holding power

This 40BS44 sprocket features a 1-7/16" finished bore including a key-way and two setscrews

This 60BS31 sprocket features a 1-1/8" finished bore including a key-way and two setscrews

BK190H Pulley Single-Groove 18.75" OD 40B9 Sprockets This 3TB90 Pulley uses aThis BK190H Pulley uses an H Series Bushing, is directly interchangeable with other manufacturers, is 18. 75" in diameter, and is manufactured in accordance with ARPM Standard IP20 for safe operation. With AK series pulleys you can use A, 4L, B, 5L, AX, BX, AA, and BB belts. What separates this BK190H 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