40B20 1-1/4" Finished Bore Sprocket (40BS20H-1-1/4)

Nitro 40B20-1-1/4 Finished Bore Sprocket

Our 40BS20H sprocket is an ANSI standard sprocket with a 1-1/4" finished bore that has a keyway & 2 setscrews. 40BS20 sprockets are a 20 tooth sprocket that works with ANSI #40 roller chain. These sprockets are manufactured from 1045CD carbon steel material. The sprocket teeth are hardened for increased wear resistance.

40BS20 1-1/4" Sprocket Dimensions:

• Fits ANSI Chain Size: #40
• Bore (D1): 1-1/4"
• Number Of Teeth: 20
• Pitch Diameter (dp): 3.196"
• Outside Diameter (de): 3.457"
• Sprocket Thickness (B1): 0.284" (Not including Hub)
• Hub Diameter (dm): 2-5/8"
• LTB - Length Thru Bore (A): 1"
• Keyway Size: 1/4" X 1/8"
• Hardened Teeth: Yes (HRC 38-42)
• Number Of Setscrews: 2
• Material: 1045CD (Cold Drawn)
• Type Of Finish: Black Oxide

Interchange Numbers:

• 40BS20 1-1/4
• 40BS20H 1-1/4