Description & Specifications
50A21 sprockets are a ANSI standard size that has 21 teeth and works with #50 roller chain. These sprockets are known as a "Type A", which is a hubless roller chain sprocket. Our 50A21 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.
50A21 Sprocket Dimensions
- ANSI Chain Size:50
- Bore (B):3/4''
- Tooth Count:21
- Pitch Diameter (PD):4.193''
- Outside Diameter (D):4.521''
- Sprocket Thickness (T):0.343''
- Material:1045CD
- Hardened Teeth:Yes (HRC 40-50)
- Type Of Finish:Black Oxide
All dimensions listed are nominal values.
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$38.73
Item ID: 50A40
Availability:
13 In Stock
Incoming Stock:
50
/units