Description & Specifications
Our 40BS12H sprocket is an ANSI standard size sprocket with a 3/4" finished bore - includes keyway & 2 setscrews. This 11 tooth sprocket works with any ANSI #40 roller chain. Nitro 40B12 sprockets are manufactured from 1045CD carbon steel and have hardened teeth to minimize wear overtime.
40B12 3/4" Sprocket Dimensions
- ANSI Chain Size:40
- Bore (B):3/4''
- Tooth Count:12
- Pitch Diameter (PD):1.932''
- Outside Diameter (D):2.166''
- Sprocket Thickness (T):0.284''
- Hub Diameter (HD):1-9/16''
- Length Thru Bore (W):7/8''
- Keyway Width (Kw):1/4''
- Keyway Height (Kh):1/8''
- Keyway Size:1/4'' X 1/8''
- Material:1045CD
- Hardened Teeth:Yes (HRC 40-50)
- No. Of Setscrews:2
- Type Of Finish:Black Oxide
All dimensions listed are nominal values.
Has recessed groove in hub for chain clearance.
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