BK30H Pulley single-groove 3.15" OD AK34 Pulley This 80BS27 sprocket features a

This 80BS27 sprocket features a 2-3/16" finished bore with a key-way and two set screws

Dimension (Bi): 4

This 8C140F Sheave uses a F QD bushing

SSUCTPF201-8 Bearing Dimensions

Our HCFS211-32 bearing is dimensionally made to industry standards

BK30H Pulley single-groove 3.15" OD AK34 Pulley This 80BS27 sprocket features aThis BK30H Pulley uses an H Series Bushing, is directly interchangeable with other manufacturers, is 3. 15" 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 BK30H 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