Description & Specifications
50A19 sprockets are a ANSI standard size that has 19 teeth and works with #50 roller chain. These sprockets are known as a "Type A", which is a hubless roller chain sprocket. Our 50A19 plate sprockets are a durable, high strength sprocket that is manufactured from 1045CD carbon steel. After manufacturing, the teeth are hardened to help minimize wear, then a black oxide finish is applied for corrosion resistance.

50A19 Sprocket Dimensions
- ANSI Chain Size:50
- Bore (D1):5/8''
- Tooth Count:19
- Pitch Diameter (dp):3.797''
- Outside Diameter (de):4.121''
- Sprocket Thickness (B1):0.343''
- Material:1045CD
- Hardened Teeth:Yes (HRC 40-50)
- Type Of Finish:Black Oxide