10B34 sprockets with a stock bore comes with the standard 20 millimeter inside diameter hole with no key-way or set screws and can be easily machine bored to custom sizes
This 100BS20 sprocket features a 2" finished bore with a key-way and two set screws
100E45 Sprocket Dimensions
Something else that is notable about this 100B16 sprocket is that it fully meets all ANSI Standards
Additionally this bushing features a 1-1/16" bore with a standard keyway
10C300M Sheave ten-groove 30.40" OD 48-Tooth Sprocket 10B34 sprockets with a stockThis 10C300M Sheave uses a M QD bushing, is directly interchangeable with other manufacturers, is 30. 40" in diameter, and is manufactured in accordance with ARPM Standard for safe operation. With C series QD sheaves you can use C, CX cogged, CC double angled, and C banded v belts. What separates this 10C300M sheave from the others is that it is made using a high strength cast iron, is phosphate coated, painted, and balanced at the factory. Using the