the 12B K2 attachment has a bent tab on both sides with two holes each for mounting
Sheave Size: 13V300JA
HCFJT205-15 flange bearings are designed for circumstances where the bearing is mounted to a surface perpendicular to the shaft axis and can fit in more space-restricted areas while still offering excellent stability with two mounting holes
Outside Diameter: 17
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
3TB60 Sheave three-groove 6.35" OD 14-Tooth Sprocket the 12B K2 attachment hasThis 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