3TB60 Sheave three-groove 6.35" OD 14-Tooth Sprocket Bore: 2-5/8"

Bore: 2-5/8"

100B9H sprockets with a stock bore comes with the standard 1" inside diameter hole with no keyway or set screws and can be easily machine bored to custom sizes

and is designed to use a Q1 bushing

the 12B K2 attachment has a bent tab on both sides with two holes each for mounting

UEP208-24 bearing is a two-bolt normal duty pillow block bearing with a 1-1/2" bore

3TB60 Sheave three-groove 6.35" OD 14-Tooth Sprocket Bore: 2-5/8"This 3TB60 Pulley uses a P1 Series Bushing, is directly interchangeable with other manufacturers, is 6. 35" 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 three groove 3TB60 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