Description & Specifications
Our 50BS21H sprockets are manufactured to conform to the ANSI standards for chain & sprockets. This sprocket is a 21 tooth sprocket that is compatible with ANSI #50 roller chain. The 50BS21 7/8" sprocket is a finished bore style that has a standard keyway & 2 setscrews. Our sprocket teeth are hardened to help prevent tooth wear. A black oxide finish is applied to the sprocket for corrosion resistance.
50B21 7/8" Sprocket Dimensions
- ANSI Chain Size:50
- Bore (B):7/8''
- Tooth Count:21
- Pitch Diameter (PD):4.193''
- Outside Diameter (D):4.521''
- Sprocket Thickness (T):0.343''
- Hub Diameter (HD):3''
- Length Thru Bore (W):1''
- Keyway Width (Kw):3/16''
- Keyway Height (Kh):3/32''
- Keyway Size:3/16'' X 3/32''
- Material:1045CD
- Hardened Teeth:Yes (HRC 40-50)
- No. Of Setscrews:2
- Type Of Finish:Black Oxide
All dimensions listed are nominal values.
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