100B42 sprockets with a stock bore come with the standard 1-1/4" inside diameter hole with no keyway or setscrews and can be easily machine bored to custom sizes
Additionally this bushing features a 22 millimeter bore with a standard keyway
10C500M Sheave Dimensions
This 1B5V58 Sheave uses a B bushing
100SDS12 sprockets are manufactured to accept a SDS type QD bushing which
1TB68 Sheave single-groove 7.15" OD #100 BTB Type Sprockets 100B42 sprockets with a stockThis 1TB68 Pulley uses a P1 Series Bushing, is directly interchangeable with other manufacturers, is 7. 15" 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 1TB68 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