65V670SF Sheave six-groove 6.70" OD Metric Roller Chain Attachments This 40BS39 sprocket features a

This 40BS39 sprocket features a 1-3/16" finished bore including a key-way and two setscrews

Dimension (A): 124

Tooth Count: 33

40B19 sprockets with a stock bore comes with the standard 5/8" ID hole with no keyway or set screws and can be easily machine bored to custom sizes

and precision sprocket with 27 hardened teeth

65V670SF Sheave six-groove 6.70" OD Metric Roller Chain Attachments This 40BS39 sprocket features aThis 65V670SF Sheave uses an SF bushing, is directly interchangeable with other manufacturers, is 6. 70" in diameter, and is manufactured in accordance with ARPM Standards for safe operation. With 5V series QD sheaves you can use standard 5V belts, 5VX belts, banded 5V belts, and banded 5XV belts. What separates this 65V670SF sheave from the others is that it is made using a high strength cast iron, is phosphate coated, painted, and balanced at the