Description & Specifications
Our 40BS10H sprocket is an ANSI standard size sprocket with a 5/8" finished bore (Includes keyway & 2 setscrews). This is a 10 tooth sprocket that works with an ANSI standard #40 roller chain. Nitro sprockets are manufactured from 1045CD carbon steel and have hardened teeth to minimize wear overtime.

40B10 5/8" Sprocket Dimensions
- ANSI Chain Size:40
- Bore (D1):5/8''
- Tooth Count:10
- Pitch Diameter (dp):1.618''
- Outside Diameter (de):1.839''
- Sprocket Thickness (B1):0.284''
- Hub Diameter (dm):1-1/4''
- Length Thru Bore (LTB):7/8''
- Keyway Size:3/16'' X 3/32''
- Material:1045CD
- Hardened Teeth:Yes (HRC 40-50)
- No. Of Setscrews:2
- Type Of Finish:Black Oxide
² Has recessed groove in hub for chain clearance.
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