BK65H Pulley single-groove 6.25" OD filter_H50B47 which insures proper contact between

which insures proper contact between the #25 roller chain and sprocket which prevents premature wear or breakage

This 100BS25 sprocket features a 1-7/16" finished bore with a key-way and two set screws

Sheave Size: 6C70SF

This 2BK62 Pulley 1-1/8" bore is directly interchangeable with other manufacturers v-belt pulleys

For additional information or to get pricing and availability on a 2B38SH sheave

BK65H Pulley single-groove 6.25" OD filter_H50B47 which insures proper contact betweenThis BK65H Pulley uses an H Series Bushing, is directly interchangeable with other manufacturers, is 6. 25" 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 BK65H 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