1TB74 Sheave single-groove 7.75" OD 08B Stainless Steel Hollow Pin Roller Chain 08B12H sprockets with a stock

08B12H sprockets with a stock bore comes with the standard 10 millimeter inside diameter hole with no key-way or set screws and can be easily machine bored to custom sizes

and precision sprocket with 12 hardened teeth that is manufactured to accept a SF bushing

What separates this 13V650SH sheave from the others is that it is made using a high strength cast iron

which insures proper contact between the #160 roller chain and sprocket which prevents premature wear or breakage

This 140E17 sprocket is a durable

1TB74 Sheave single-groove 7.75" OD 08B Stainless Steel Hollow Pin Roller Chain 08B12H sprockets with a stockThis 1TB74 Pulley uses a P1 Series Bushing, is directly interchangeable with other manufacturers, is 7. 75" in diameter, and is manufactured in accordance with ARPM Standard for safe operation. With B series TB pulleys you can use A, 4L, B, 5L, AX, BX, AA, and BB belts. What separates this 1TB74 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